Where to Farm Plans: Thorium Helm

The best place to farm Plans: Thorium Helm is Silithus, where Whirling Invader (level 57-58) drops it at 0.1%. That is the vanilla 1.12 chance, not yet confirmed in Forever. 517 sources are ranked below by drop chance.

Gold per kill: Whirling Invader is worth about 8s 7c a kill in item drops (at Auction House prices). Gold farming spots, level 50-60

Best zones:

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  1. Lord Kazzak 35.6, 74.4
  2. Shadowsworn Adept 66.8, 30.5
  3. Helboar 51.8, 53.6
  4. Shadowsworn Dreadweaver 39.5, 31.4
  5. Shadowsworn Enforcer 39.5, 31.4
  6. Redstone Crystalhide 51.8, 53.6
  7. Dreadmaul Mauler 47.6, 43.0
  8. Dreadmaul Warlock 47.6, 43.0
8 sources in Blasted Lands, each where it spawns most often; click a pin for the source.Larger map

All sources, by drop chance:

SourceLevelZoneSpawnsSideHowDrop%Map
Hive'Ashi Stinger(elite)57-58+Silithus19Drop0.0%map
Hive'Ashi Worker(elite)57-58+Silithus11Drop0.0%map
Hive'Ashi Defender(elite)58-59+Silithus24Drop0.0%map
Hive'Ashi Swarmer(elite)57-58+Silithus45Drop0.0%map
Hive'Zora Tunneler(elite)58-59+Silithus9Drop0.0%map
Hive'Zora Wasp58-59Silithus107Drop0.0%map
Hive'Zora Hive Sister(elite)59-60+Silithus29Drop0.0%map
Hive'Regal Ambusher(elite)59-60+Silithus24Drop0.0%map
Hive'Regal Burrower(elite)59-60+Silithus11Drop0.0%map
Hive'Regal Spitfire(elite)59-60+Silithus38Drop0.0%map
Hive'Regal Slavemaker(elite)59-60+Silithus42Drop0.0%map
Hive'Regal Hive Lord(elite)59-61+Silithus34Drop0.0%map
Stonelash Scorpid54-55Silithus156Drop0.0%map
Stonelash Pincer56Silithus111Drop0.0%map
Stonelash Flayer57-58Silithus165Drop0.0%map
Sand Skitterer55-56Silithus156Drop0.0%map
Rock Stalker57-58Silithus163Drop0.0%map
Dredge Striker55-56Silithus67Drop0.0%map
Dredge Crusher57-58Silithus66Drop0.0%map
Dust Stormer55-57Silithus53Drop0.0%map
Desert Rumbler56-58Silithus28Drop0.0%map
Hakkari Priest(elite)60+Zul'Gurub34Drop0.0%map
Twilight Avenger58-59Silithus119Drop0.0%map
Twilight Geolord59-60Silithus95Drop0.0%map
Twilight Stonecaller59-60Silithus24Drop0.0%map
Twilight Master60Silithus9Drop0.0%map
Lava Elemental(elite)61-62+Molten Core14Drop0.0%map
Lava Reaver(elite)62-63+Molten Core6Drop0.0%map
Lava Surger(elite)61-62+Molten Core12Drop0.0%map
Onyxian Warder(elite)60-63+Onyxia's Lair5Drop0.0%map
Tortured Druid55-56Silithus23Drop0.0%map
Tortured Sentinel56-57Silithus30Drop0.0%map
Damned Soul59-60Deadwind Pass12Drop0.0%map
Unliving Caretaker59-60Deadwind Pass10Drop0.0%map
Unliving Resident59-60Deadwind Pass22Drop0.0%map
Blackwing Warlock(elite)61+Blackwing Lair14Drop0.0%map
Death Talon Wyrmguard(elite)63+Blackwing Lair10Drop0.0%map
Death Talon Overseer(elite)62+Blackwing Lair18Drop0.0%map
Death Talon Flamescale(elite)62+Blackwing Lair12Drop0.0%map
Death Talon Hatcher(elite)61+Blackwing Lair11Drop0.0%map
Chimaerok(elite)60-61+Feralas8Drop0.0%map
Warpwood Crusher(elite)56+Dire Maul13Drop0.0%map
Whip Lasher54Dire Maul126Drop0.0%map
Gordok Mastiff57-59Dire Maul68Drop0.0%map
Hive'Ashi Drone57-580Drop0.0%map
Wildspawn Imp56Dire Maul23Drop0.0%map
Death Lash(elite)57-58+Dire Maul12Drop0.0%map
Stormpike Ram Rider(elite)58+0Horde onlyDrop0.0%map
Blackwing Technician(elite)60+Blackwing Lair72Drop0.0%map
Arcane Feedback59-60Dire Maul15Drop0.0%map
517 found
Classic data: from the patch 1.12 world data, not yet confirmed in Forever.

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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.