On Scarlet Crusade on early Christmas Day, 40 of us got together in a raid and killed the boss, hours after the weekly lockouts and quests reset, so almost all. To get the Vitreous Stone Drake mount, you must repeatedly kill the Slabhide boss in the Stonecore dungeon. That's a pretty cool feeling, particularly for all of us mount collectors out there. They need to make a system for these legacy bosses where the loot table drop chances increase by 1% after every 10 kills so people don't have to spend years to get a mount. Pureblood Firehawk - dont have. After a few seconds this will cause 10,000 damage. - Extremely low drop rate TBC/Wrath - Groups of 2-5 ppl could kill both bosses within 1 hour. I personally did 11 groups of the world boss and saw 0 mounts from anybody in the groups, and a noticeable decrease in the mount of loot overall compared to last rotation. 248% chance on 25-player. 0. make sure and do it on 10m. Vitreous Stone Drake. Reported Drop Rate of Onyxia Brood Mount (310% flight speed) - 0. 9% drop rate from Slabhide. Drop rate: Medium-high (RNG) Quality: Rare. Comment by Santobimba on 2021-01-15T04:32:38-06:00. 8% Reins of the Cobalt Primordial Direhorn at 0. Don't forget to fly around the centre spire every now and then to check for Aeonaxx!For Everyone who wants Mount If your in a group with 5 People, seeing the mount drop is 1%, so actually obtaining the mount is 0. A video guide on how to obtain all of 100% drop rate mounts in World of Warcraft! I hope you will enjoy the video! This is a quick and easy guide If you want. 598 attempts, no Brewfest Ram. The rate is varying between each mount though, so here is a list over the current drop rates listed in Wowhead: Son of Galleon's Saddle at 0. Since you are level 74, I'll name some more relevant ones to you: 1)Skadi (3rd boss) in Utgarde Pinnacle (WoTLK) drops Reins of the Blue Proto-Drake; . Reins of the Vitreous Stone Drake - The Stonecore - Slabhide Swift Zulian Panther - Zul'Gurub - High Priestess Kilnara. I don’t have either of the mounts. Reins of the Vitreous Stone Drake - The Stonecore - Slabhide Swift Zulian Panther - Zul'Gurub - High Priestess Kilnara (Heroic) Armored Razzashi Raptor - Zul. 0001% -> . Fiery Warhorse - 20. As one of the most challenging bosses this expansion, Archimonde Mythic takes a seriously dedicated team to kill. Vitreous Stone Drake. Background [] Adventure Guide []. I think that gambling addicts look at low percentages like this and assume they are getting closer to the goal but the reality is that . All other items have the same drop rate for each kill. The rarest of the rares is the Ashes of Al'ar that drop off of Kael'Thas in the Tempest Keep: The Eye. . Any subsequent Heart-Shaped Boxes you earn on your characters after the first each day will drop the mount at the previous, original rate. Learnt from: Phoenix Hatchling. Here is a flawless run of yet another rare mount drop in 7min 30sec (if you exclude the beginning and end). It is rare due to its low drop rate, and although obtaining the mount is not necessarily difficult, it can get tedious. The instance was released. Slabhide and Altairus have. In that time, 0 azure drakes and 0 blue drakes have been looted. I've gotten 5 to drop within 70 runs. There is a cap of 10 runs in 60 minutes and, as this drops from the second boss, you may have to cool your jets for a bit when you reach the cap. You want to start off with the second set of mobs. It essentially means that the weapon's drop rate is > 10% and the mount's drop rate is > 1. The eggs are a chance drop from specific rares on Argus - Varga in Antoran Wastes, Naroua in Krokuun, and Sabuul in Mac'Aree. Idk if that's a giant luck or too high droprates that were loweres after. For Altairus, the drop rate is 1432/168990 for normal and 694/92528 for. Raptor 2nd kill. Sandstone Drake. Most of my friends have gotten at least 9 of the actual mount skin drops (excluding barding and trophies) by now and I’m kinda just wondering if rng hates me or they’re just supposed to be stupidly rare (I’ve only gotten 3 at almost lvl 90 lmao). the only reason its on the front row is because this boss dosent drop any trash items, the drop rate is 0. Comment by Abersyth Soloed on Normal and Heroic as a Balance Druid in BFA 8. 5% when it reach 100 kills, but does is the rate permanent? if I quit the game, does it reset to the mount base drop rate? or it's still 0. Got it off my first kill ever and just assumed it was a 100% drop rate mount. However, the drip rate can also be calculated using the drop rate formula (this function is available in the advanced mode of our gtt in min calculator): Drip rate = Drops per hour / Drop factor, or. Ashes of Alar - dont have. Live PTR 10. most. If you're feeling lucky you could go for some mounts that drop from bosses. Arfus is massively disrespectful towards your players and their time. Got it first attempt. Number of attempts is 10 1 - ( 1 - 0. Now all they need to do is bring back the brutosaur. Divide that by the 20 people in your raid, and. Somewhere in just about any location , once an hour a smoky portal called Edge of Reality spawns for 5 minutes. 01-. Boumeisha. 1: Start in Orgrimmar: 0 * = Easily soloable at lvl 100 ** = Can be soloed at lvl 100 (check some guides etc. 5% 1 in 10 people will get this mount after 50 kills 100 kills - 18. Requires Level 27. 5% 1 in 10 people will get this mount after 50 kills 100 kills - 18. Dropped from Archimonde in Hellfire Citadel (Draenor – Mythic) – maybe 50% drop rate. Nothing would be sadder than to log on and find that these. I heard from a person that they killed it with 19 people that they didn't get a mount drop. The Stonecore can be played at normal and heroic levels. Reins of the Vitreous Stone Drake Account wide. This mount will not be easy to. This puts the drop rate below a . (Although after getting the first 5 mounts and writing this comment, the last one took well over 20 seeds to drop. 9999999999975818. 996% After 693 attempts:As a very casual World of Warcraft player something that I can do in the wee small hours is grind for the strange and rare items. This is a ground phase, Slabhide will randomly cast Sand Blast which causes a frontal cone of damage; this should only hit the tank. 5 - 1% drop for 10 man Normal 1 - 2% 10 Man Heroic, 1 - 2% for 25 man Normal and around 4-5% for 25 man Heroic. The Drakes in Cata drop in normal too with the same drop rate. c'mon blizz. This in theory means, that the mount would drop once, on every 100 runs for 1 player in the raid. For example, when you Timewalk through The Stonecore, Slabhide could drop the Reins of the Vitreous Stone Drake mount for you. I just farmed it 2 weeks ago :) Nice! GZ!The Love is in the Air world event is right around the corner, and we’re sharing the love this holiday season. but it is an awesome mount and i hope you guys enjoy it. Thats. I have researched snapshots of this mount drop rate from 25 Normal cache Alexstrasza's Gift. Game Masters cannot alter item drops and will not provide compensation for bad luck. This is 1 of 8 mounts coming in patch 9. ارائه دهنده خدمات جامع IT. [Sand Blast]—Deals 25000 Nature damage. Have to keep a rabbits foot buried deep where the sun doesn’t shine to hopefully increase the drop rate by . 7% drop rate, farming it on your own may be a very boring and tedious task. The mounts from the eggs are: Vibrant Mana Ray, Scintillating Mana Ray, Felglow Mana Ray, and Darkspore Mana Ray The pets from the eggs are: Fel Afflicted Skyfin and the Docile Skyfin Note: you are NOT guaranteed a mount or pet drop. So the latest mount I've been farming is the Reins of the Vitreous Stone Drake from Stonecore and I'm starting to get discouraged by. Need to restart your game after downloading the hot fix they just released. Also rarely appears in the Black Market. Good luck!TL;DR no drop after 20 runs--is there something obscure bugging my drop rate? Help needed: I've attempted this mount run a good 20 times now (7-8 max level characters each week), with no mount drop. Something for people to brag about. 0. Comment by Kalhua on 2022-11-17T12:07:32-06:00. /way Mac'aree 55. 8%Hey Mmo I thought some people might be interested in how to get a nice drake for yourself! This is the way ive done it alot of times now. While Timewalking is active, you will gain a 50% bonus to reputations earned from quests and creature kills for all reputations associated with the corresponding expansion. In the Mount Items category. It drops from Slabhide with a 0. It's still pretty easily farmable with 112 characters in heirlooms, so just brute force it and you will get it one day. 7 59. I heard from a person that they killed it with 19 people that they didn't get a mount drop. The Smoldering Brimstone Mount. 1% drop rate, and it's a bit darker than the Drake of the North wind which I have, and it's more "electric blue" than It, also. The rare elites that drop the eggs are:It's unclear how accurate that is, but Wowhead can generally be quite accurate at drop rates. 3. Forum rules Be respectful of others or else. Pureblood Firehawk - dont have. I'm not interested in buying mounts from the AH or TGC mounts, so after that I'd have to farm about 15 very low drop rate mounts, many of them in raids that don't get much action anymore. I find it amusing how every comment saying "this took me 800 tries" is upvoted while every comment saying it took less than average is buried. normal version of the dungeon, hunters can also solo stonecore (slabhide also drops a mount) 2011-04-15, 03:45 PM #4. After three days a looted egg will hatch, with 100% chance of looting the Reins of the Black, Green or Red Primal Raptor. 3% drop rate off Onyxia on 10m normal and a 1. Wowhead reports the drop chance of Ashes of Al'ar to be 1. 02% . Added in World of Warcraft: Legion. How to summon Valfir the Unrelenting: be a member of the Night Fae Covenant; complete the First Chapter in the Night Fae Campaign (For Queen and Grove!) speak with Zayhad, The Builder in Heart of the Forest to unlock the Anima Conductor rank 1Comment by 231791 I got this mount on October 18th. 0001% drop rates are still that low after all the years of farming. 001% for years. A different colour of the same mount drops in Mythic with 100% drop rate. The eruption also creates a lava pool which inflicts 28 Fire damage every second a player stands within the pool. Drip rate = (Drops per minute × 60) / Drop factor. It also has a chance to be listed on the Black Market Auction House by Mei Francis, for the opening bid of 20,000 . There is no weekly or daily lockout in the Stonecore, so our Vitreous Stone Drake carry is very. The range for The Stonecore on normal difficulty was 82-85. Of the 6 dungeons, 2 have 3 bosses, and 4 have 4 bosses meaning on average you will be killing 3. Just got to keep doing what you're doing, you'll get it eventually. Vitreous Stone Drake is a rare mount dropping from Slabhide in The Stonecore dungeon with 0. It has only a 4% drop rate and is known as one of the rarest mounts in WoW. A couple of them still elude me, though. Can be attempted multiple times a day. On top of dropping specific Uniques (giving us an opportunity to truly target farm them), Duriel can also drop the following items: Uber Uniques. Zone: The Stonecore. It begins at 1% or less and decreases significantly after the first kill. Does Slabhide drop mount on normal? Where you’ll find it Dropped by Slabhide in both the normal and heroic versions of Stonecore. The two mounts that will drop from this boss are: Rare drop on ANY Difficulty (Excluding LFR): Living Infernal Core 100% drop on ONLY Mythic Difficulty: Fiendish Hellfire Core 3 Other Infernal mounts have been datamined. At ten characters per week for three years, u/Manixcordana89 made 1560 attempts. So the latest mount I've been farming is the Reins of the Vitreous Stone Drake from Stonecore and I'm starting to get discouraged by the attempts I've put into farming this mount. . Teaches you how to summon this mount. 8 (her location) - 3% chance of drop Maybe in a later patch they fix to this mount drop from argus all rares. 0:00 / 6:40. Reins of the Vitreous Stone Drake - The Stonecore - SlabhideFor players that, like me, plan to farm the mounts and other collectibles daily, I have compiled a set of macros with the tom-tom waypoints for rares that drop mounts. Making it a really rare drop will preserve the essence ofthis beautiful. It's a single mount in a game of 500+. Also because I ran it on normal, it has a much lower % rate to drop treasure chests with the potion so don't bother to use one. È Saccheggiato da Ghur'sha il Plagiamente. Supposedly it has something of a 0. Vitreous Stone Drake is a rare mount dropping from Slabhide in The Stonecore dungeon with 0. Note that Uber Uniques that drop from Duriel will be guaranteed level 920 items. I did see there were two mounts listed in this dungeon. One looted, an egg takes 5 days to hatch and you may hold more than one at once. 1% from ANY time-walking boss which means that you should see someone get this mount 1 in every 55 dungeons. Got mine to drop after 2 kills on the same character. Anyway, I frapsed one of my (really. Avoid falling Stalactites (warned by black spot on floor). 7 bosses per dungeon, giving you roughly 0. Magisters' Terrace: Last boss, Kael'thas Sunstrider drops a swift white hawkstrider mount. Basically, out of holiday mounts: Brewfest=easy, Hallow's End=hard, Love is in the Air= you won't get it. The Stonecore is a dungeon whose entrance is located in Deepholm , Eastern Kingdoms. 8% drop rate (or 1382 out of 164205 drops from people using the Wowhead Client*). However I've put in 242 attempts so far and it just has not dropped yet. I've personally been golden with Ashes drop rate. Get a Quote. This was our 2nd kill on both difficulties. 5,349. At 30+ minutes a clear that's hours of farming for just 1 chair. The possible drop for the mount isent common. 월드 오브 워크래프트: 대격변에서 추가됨. Drop rate These days, a far more forgiving 0. However I've put in 242 attempts so far and it just has not dropped yet. 7% drop rate) Also, check out Warcraft Mounts for a complete list of all mounts in game for what is currently available. NPC: Kael' thas Sunstrider. He said he'd take 15k in lue of rolling me for it so I gave him 35k. Good day, fellow mages and Mount-Enthusiasts! As some mages, who tried to down Slabhide with T11 gear already may have suspected, he indeed became killable with T12 gear. It has a 0. The Black Market Auction House (rarely. special dungeon available during Love. Vitreous Stone Drake- Drops from Slabhide in The Stonecore again this is very rare 1-2% drop rate. Unlike the Raven Lord Mount, this mount can and will drop on Normal as well as the other levels. The Stonecore is a great dungeon for experience, and the second boss (Slabhide) has a chance to drop one of the awesomest mounts in-game, the Vitreous Stone Drake. The drop rate for the mount has been increased by 3 times. 5's seemingly upped drop rate. Deathcharger's Reins. Comment by Richardbro June 7th 2023 finally buffed the drop rate in a hotfix. I killed the mob multiple times and didn't receive the item. In Legion, Gul’dan and Argus mount drop rates were reduced if you had less than 20 people - 5% less per missing person. Added in World of Warcraft: Shadowlands. 9% drop rate from Slabhide. Supposedly it has something of a 0. I'm not sure if the normal difficulty offers the same drop rate but the mount should be able to drop on normal. 08% drop rate. This is a heads up to mount collectors. Reins of the Vitreous Stone Drake - The Stonecore - Slabhide. Mount Hyjal--Bound Stream “Amongst the rudest of the Twilight’s Hammer’s corrupting activities was binding the elements of small streams and brooks. 02% to 1%. Of the 6 dungeons, 2 have 3 bosses, and 4 have 4 bosses meaning on average you will be killing 3. . With Patch 10. 1 Chains of Domination, that can be farmed on a daily basis. (Archimonde) Fiery Warhorse. Game Masters do not help with gameplay. 99% drop, you could be the 0. The primary antagonist race in this dungeon are Elemental. [Rose Quartz Band] Ring (Spell) [Reins of the Vitreous Stone Drake] [Reins of the Vitreous Stone Drake] Flying Mount OzrukThis is a heads up to mount collectors. According to the formula ("1 - (1 - c^t)"; c = drop chance (0. EDIT: This has since been hotfixed to only be lootable once per day, as killing the rare will now incur a daily lockout. Drake mounts are epic flying mounts available to players in a few different ways. 70% drop rate took me atleast 200kills! , im glad blizz replaced it with new mounts but these new ones don't even compare to the old ZG. A mount collection item. mm spesho. 5% or 3%, or maybe they're. . It is looted and sold on the Black Market. This is (1/20)*(1/8) = 0. However I've put in 242 attempts so far and it just has not dropped yet. Or just talk about WoW mounts. Most likely 1 in 20, which is a 5% drop chance. Both dungeons also have incredibly easy resetting. It could still result in a useless item. I have researched snapshots of this mount drop rate from 25 Normal cache Alexstrasza's Gift. Stay up to date with all the latest news with Wowhead News Notifications! Get Wowhead Premium. Use: Teaches you how to summon this mount. If you get 99 tokens you can exchange them for the mount as well. In my personal friend group most have gotten a mount in their first couple eggs but I can't vouch for the drop rate. 21%-- probability of seeing it in 125 tries is 63. 25m can only drop one of them. Tilra-the-scryers. If you're wondering why there seem to be a lot more Great Brewfest Kodo dropping this is because this mount is a slightly higher drop rate of 3% or 1/. 0. achievement vs. 이것은 획득 및 암시장에서 구입 가능입니다. Drop rate is 0. Raven Lord - 48. All of this could be avoided by. Also kinda worried it has the same drop rate as world boss mounts in mop. Dungeon Mounts. 3)Altairus (2nd boss) in Vortex Pinnacle (Cata) drops Reins of the Drake of the North Wind. Best of luck with the drop. 5% this mount will take an average of 138 attempts to drop. It is looted. (5. Any respectful farming class (excluding rogues, mages etc. Here you can buy Reins of the Vitreous Stone Drake mount boost and we will farm this mount for your collection in the shortest possible time. Rare spawn mounts that have 100% drop rate for everyone and the groups were 40 people large because it was boring sitting alone/and you had more people with an eye on the spawn location and for longer durations of time because you'd join a group and there'd be people in it from 11 hours ago still waiting for the thing to spawn. Why wVitreous Stone Drake. Comment by lehavila List of mounts obtainable. If you kill him before he takes off you can save 5-10s, if he takes off he stays up there a bit at 1health then he'll drop and die. Deleted. If mount drop chance is indeed 20% for a solo run, then the chances of it NOT dropping after 20 runs is 0. So the latest mount I've been farming is the Reins of the Vitreous Stone Drake from Stonecore and I'm starting to get discouraged by the attempts I've put into farming this mount. Especially old world shit. This is a flying mount. 2. 99 tokens can be exchanged for the mount that drops. Then the drop rate was reduced to 80% instead of 100% because one player wasn't eligible for loot at all. Rinse and repeat. But don't take my word for it, take Blizzard's: Mount drop rate on Invincible is, according to battle. . Barons mount has the lowest drop rate of any item ever added to this game that wasn’t either removed or has a restriction to it. After 2 months and exactly 112 kills I finally got this mount to drop for me. It s a rare mount around 1%, but if I remember correctly, around cataclysm, I think the drop rate was messed up for like one week (like 10% instead of 1%). Items with a 100% drop chance may have requirements you need to meet before you can obtain the item. 2% So This is the Percentage of obtaining the mount 50 kills - 9. All the drop rates are from But there is allso a mount that is no longer obtain able and that is the Black Qiraji Resonating Crystal, this mount was obtained by doing a long and very difficult quest chain in Classic WoW that allso opend the gates of the Temple of Ahn'Qiraj and Ruins of Ahn'QirajClearty what this expansion needed was a world boss mount that is on a massive rotation. The Vitreous Stone Drake is a rare mount that has roughly a 1% drop chance from Slabhide in Stonecore Normal or Heroic. This was logical as it stopped people from getting 4 players and just non-stop selling the mount to. I got mine on like 30-40th attempt today. Legit years. 999 ) ^ 10 = 1 - 0. (Paid the winner). 97% you are claiming or 1 in 30 rarity is claiming. Slabhide is much easier to solo on Heroic than say KT, from Tempest Keep, but does. 100% drop rate. Even if there was 1, it would have 3% drop rate, which is still pretty low, so the drop rate must be nearby. While Timewalking is active, you will gain a 50% bonus to reputations earned from quests and creature kills for all reputations associated with the corresponding expansion. The drake dropped. Rukhmar Drops Solar Spirehawk which according to Rarity should be with insanely low drop rate. It could still result in a useless item. Requires Level 27. Thanks! :) Yes you can try up to 10 times an hour. Mount Attempts per drop rate. What mounts have 100 drop rates? Below you’ll find a list of very cool mounts that either have a 100 percent drop rate, simply require you to mess around some of World of Warcraft’s older zones, or mounts that cost just a modest amount of gold…. Vitreous Stone Drake-Drops from Slabhide in The Stonecore again this is very rare 1-2% drop rate. Payments and Contacts. Hey Mmo I thought some people might be interested in how to get a nice drake for yourself! This is the way ive done it alot of times now. Love is in the Air begins on. ( Dungeon location) Fastest route: Take a portal to Dalaran and then use the portal there to the Caverns of Time. A boss that is only up every six weeks dropping a desirable mount at a rate of 1 in 200 is not acceptable. 9 Wrangler KravosThat would explain the drop rate not being 100%. I have an estimated 180 clears of the Stonecore instance (for the mount from slabhide) I have yet to see the mount drop. Mecha-Mogul Mk2. The netherwing and the Skyguard in Outland are good for some nice flying mounts, of course only if you reach exalted with them. I ended up getting it on my 2nd kill but I still can't get Rivendares mount or the raven lord one no matter how much I try. From Slabhide (2nd boss) in The Stonecore, located in Deepholm. In the Mount Items category. 2 (2008-10-14): Drop rate increased from 0. 100% drop rate from Doomwalker - this has changed from low drop rate at launch;Drop Chances for MoP and WoD World Boss Mounts Greatly Increased. Supposedly it has something of a 0. The rate is varying between each mount though, so here is a list over the current drop rates listed in Wowhead: Son of Galleon's Saddle at 0. The mount is random and it's possible to receive the same mount more than once. 5% and 25 man as 1. Which converts to a 1 in 21. 8 eggs total to get all of the cool itemsOriginally Posted by Janube Repost from Elite. This rare can be farmed multiple times per day for the mount, even on the same character. So, here are the statistical chances you'll have to get this mount, based on number of alts you are using to try and get it. Headless horseman mount drop %. Comment by Schadenfreude So we've got Corrupted Egg of Millagazor, Smoldering Egg of Millagazor and Felfire Hawk. Eventually a certain number of people will get disillusioned and stop playing if it becomes clear they will never be able to achieve their goals. ) If you have a bunch of alts on level 70, you should do the following: - Buy the mats for the Crate of the Art quest. If you are lucky enough to be in a guild that can get him down, you have about a 1% chance of. Dasher-area-52. 7% drop rate, farming it on your own may be a very boring and tedious task. The chance of seeing the mount drop at least one time with that drop chance and that number of attempts is 1 - (1 - 0. If you only care about 1 person, 1 success, the math is simple. 9% on heroic. We’ve heard your feedback on the frustrations with X-45. For World of Warcraft on the PC, a GameFAQs message board topic titled "i have killed slabhide 154 times". 7, Season 4Vitreous Stone Drake Mounthas a chance to. 0. 05% or possibly 1%. Blizz should increase drop rate to 5% or something. Onyxian Drake: has a 1. 1% to 1% at some point, if I recall correctly. But this mount is mainly contained within Alexstrasza's Gift from the Eye of Eternity with drop rates from 4% on 10m normal or weirdly 2% on 25m normal. outlands it has a 280% flying speed for myself since i have the epic windrider. Healer needs to take care to keep LOS on group members, since Stalactites block LOS. 8% It takes many kills before that drop rate divided by the amount of looted LKs will get as low as the drop rate is now. 2 13-wing dungeon, Hellfire Citadel, this amazing mount is a cross between the old Sky Golem and the even older Fel Reaver. A companion forum for Warcraft Mounts. For example, when you Timewalk through The Stonecore, Slabhide could drop the Reins of the Vitreous Stone Drake mount for you. Reins of the Vitreous Stone Drake from Slabhide in The Stonecore. Dropping off Archimonde on Mythic Difficulty of the all new 6. Just cleaned up old mounts I’ve been meaning to get from old content…5 mans. Happy hunting!Yea seriously. Added in World of Warcraft: Mists of Pandaria. Comment by Xhanon on 2022-11-16T07:23:22-06:00. [Cowl of the Unseen World] This is a heads up to mount collectors. Raptor 2nd kill. Of course on average, Huolon takes about an hour to re-spawn. farmable reward vs. To be fair it’s actually a pretty high drop rate. 7-0. I spent two days getting both. Requires Apprentice Riding. Kaurmine-area-52. e. Aggiunto in World of Warcraft: Warlords of Draenor. Vitreous drops off of Slabhide in the Stone Core with an extremely low drop chance. Long story short. Normal: Move out of Lava Fissures (warned by crack in floor under you). com says it only has a 6% drop rate, but worldofwarcraft. The Stonecore is a dungeon whose entrance is located in Deepholm , Eastern Kingdoms. 100 kills on lich king should = %100 drop for invincible. Yeah Horseman is probably 1% or less, Brewfest 2% or higher. O pior é que depois de mais de 2k de kills não vi nem mesmo. Guide The Vitreous Stone Drake can drop from Slabhide on Normal or Heroic difficulty of Stonecore Dungeon on roughly a 1% drop rate. Kill Slabhide.