Where to Farm Thorium Ore

The best place to farm Thorium Ore is Eastern Plaguelands, where Living Decay (level 55-56) drops it at 1.5%. That is the vanilla 1.12 chance, not yet confirmed in Forever. 385 sources are ranked below by drop chance.

Gold per kill: Living Decay is worth about 14s 5c a kill in item drops (at Auction House prices). Gold farming spots, level 50-60

Best zones:

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  1. Ooze Covered Rich Thorium Vein 39.8, 13.3
  2. Mistress Natalia Mar'alith 52.0, 100.0
  3. Hive'Regal Hive Lord 57.1, 100.0
  4. Rex Ashil 45.7, 28.9
  5. Hive'Ashi Defender 38.5, 12.8
  6. Hive'Zora Hive Sister 20.5, 64.8
  7. Hive'Zora Tunneler 19.1, 66.8
  8. Hive'Regal Ambusher 53.2, 99.5
8 sources in Silithus, each where it spawns most often; click a pin for the source.Larger map

All sources, by drop chance:

SourceLevelZoneSpawnsSideHowDrop%Map
Mistwing Ravager52-53Azshara10Drop0.1%map
Diemetradon51-52Un'Goro Crater51Drop0.1%map
Elder Diemetradon54-55Un'Goro Crater54Drop0.1%map
Fledgling Pterrordax48-50Un'Goro Crater17Drop0.1%map
Blazerunner(elite)56+Un'Goro Crater1Drop0.1%map
Moora52Felwood1Drop0.1%map
Hakkari Shadow Hunter(elite)61+Zul'Gurub14Drop0.1%map
Diseased Wolf53-54Western Plaguelands63Drop0.0%map
Xavaric55Felwood1Drop0.0%map
Winterfall Runner57Winterspring4Drop0.0%map
Gurubashi Blood Drinker(elite)60+Zul'Gurub35Drop0.0%map
Stonelash Pincer56Silithus111Drop0.0%map
Stonelash Flayer57-58Silithus165Drop0.0%map
Dredge Striker55-56Silithus67Drop0.0%map
Twilight Keeper Exeter60Silithus1Drop0.0%map
Death Lash(elite)57-58+Dire Maul12Drop0.0%map
Inferno Elemental47-49Searing Gorge7Drop0.0%map
Greater Lava Spider47-49Searing Gorge26Drop0.0%map
Twilight Dark Shaman(elite)47-48+Searing Gorge8Drop0.0%map
Dreadmaul Mauler53-54Blasted Lands16Drop0.0%map
Shadowsworn Cultist51-52Blasted Lands61Drop0.0%map
Shadowsworn Thug52-53Blasted Lands61Drop0.0%map
Shadowsworn Enforcer53-54Blasted Lands24Drop0.0%map
Cliff Walker(elite)52-53+Azshara27Drop0.0%map
Storm Bay Warrior51-52Azshara25Drop0.0%map
Ravasaur48-49Un'Goro Crater59Drop0.0%map
Primal Ooze50-52Un'Goro Crater27Drop0.0%map
Vile Ooze53Felwood9Drop0.0%map
Warpwood Shredder53-54Felwood30Drop0.0%map
Jadefire Rogue50-51Felwood29Drop0.0%map
Jadefire Felsworn50-51Felwood52Drop0.0%map
Jadefire Hellcaller53-54Felwood13Drop0.0%map
Jaedenar Enforcer52-53Felwood8Drop0.0%map
Jaedenar Darkweaver53-54Felwood32Drop0.0%map
Jaedenar Warlock53-54Felwood32Drop0.0%map
Deadwood Avenger54-55Felwood45Drop0.0%map
Deadwood Shaman53-54Felwood45Drop0.0%map
Rabid Shardtooth59-60Winterspring21Drop0.0%map
Chillwind Ravager57-59Winterspring39Drop0.0%map
Crazed Owlbeast56-57Winterspring79Drop0.0%map
Moontouched Owlbeast57-58Winterspring79Drop0.0%map
Ice Thistle Yeti55-56Winterspring40Drop0.0%map
Cursed Mage54-55Eastern Plaguelands29Drop0.0%map
Torn Screamer53-55Eastern Plaguelands30Drop0.0%map
Dark Adept58-59Eastern Plaguelands32Drop0.0%map
Vile Tutor56-57Eastern Plaguelands16Drop0.0%map
Shadowmage59-60Eastern Plaguelands32Drop0.0%map
Carrion Devourer56-57Eastern Plaguelands44Drop0.0%map
Felbeast50-51Blasted Lands16Drop0.0%map
U'cha55Un'Goro Crater1Drop0.0%map
385 found
Classic data: from the patch 1.12 world data, not yet confirmed in Forever.

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Needed for:

Recipes:

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Drop% is the rate recorded in Forever once a source has been looted ten times; a greyed figure is the vanilla 1.12 chance from the world data (classic data: from the patch 1.12 world data, not yet confirmed in forever). Spawns counts the source's spawn points in the world data. "Side" names which side can kill the NPC when the other finds it friendly. The lead picks the best chance among sources that are not a rare spawn and have at least three spawn points.