Where to Farm Plans: Steel Weapon Chain

The best place to farm Plans: Steel Weapon Chain is Desolace, where Raging Thunder Lizard (level 33-34) drops it at 0.0%. That is the vanilla 1.12 chance, not yet confirmed in Forever. 30 sources are ranked below by drop chance.

Gold per kill: Raging Thunder Lizard is worth about 4s 54c a kill in item drops (at Auction House prices). Gold farming spots, level 30-40

Best zones:

Zone	Sources	Best source	Level	Drop% ▼
Unknown zone	1	Arados the Damned	35	0.1%
Uldaman	2	Earthen Guardian	44-45	0.0%
The Barrens	1	Withered Warrior	34-35+	0.0%
Maraudon	1	Deeprot Stomper	43-44+	0.0%
Badlands	1	Dustbelcher Mauler	41-42	0.0%
Feralas	1	Hatecrest Sorceress	43-44	0.0%
Loch Modan	1	Stonevault Rockchewer	36-37+	0.0%
Desolace	5	Raging Thunder Lizard	33-34	0.0%
Arathi Highlands	3	Witherbark Headhunter	34-35	0.0%
The Hinterlands	1	Highvale Scout	44-45	0.0%
Gnomeregan	1	Dark Iron Agent	32-33+	0.0%
Razorfen Downs	2	Withered Quilguard	35-36+	0.0%
Scarlet Monastery	9	Unfettered Spirit	31-32	0.0%
Swamp of Sorrows	1	Dreaming Whelp	35-36	0.0%

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All sources, by drop chance:

Classic data: from the patch 1.12 world data, not yet confirmed in Forever.

Source	Level	Zone	Spawns	Side	How	Drop% ▼	Map
Arados the Damned	35		0		Drop	0.1%	map
Earthen Guardian	44-45	Uldaman	6		Drop	0.0%	map
Rock Borer(elite)	40-41+	Desolace	12		Drop	0.0%	map
Deeprot Stomper(elite)	43-44+	Maraudon	12		Drop	0.0%	map
Witherbark Headhunter	34-35	Arathi Highlands	37		Drop	0.0%	map
Drywhisker Kobold	35-36	Arathi Highlands	21		Drop	0.0%	map
Syndicate Conjuror(elite)	35-36+	Arathi Highlands	12		Drop	0.0%	map
Highvale Scout	44-45	The Hinterlands	13	Horde only	Drop	0.0%	map
Dustbelcher Mauler	41-42	Badlands	11		Drop	0.0%	map
Scarlet Evoker(elite)	36-37+	Scarlet Monastery	4		Drop	0.0%	map
Scarlet Diviner(elite)	34-35+	Scarlet Monastery	16		Drop	0.0%	map
Scarlet Protector(elite)	36-37+	Scarlet Monastery	11		Drop	0.0%	map
Scarlet Myrmidon(elite)	37-38+	Scarlet Monastery	27		Drop	0.0%	map
Scarlet Chaplain(elite)	34-36+	Scarlet Monastery	13		Drop	0.0%	map
Scarlet Wizard(elite)	38-39+	Scarlet Monastery	11		Drop	0.0%	map
Scarlet Champion(elite)	39-40+	Scarlet Monastery	9		Drop	0.0%	map
Unfettered Spirit	31-32	Scarlet Monastery	39		Drop	0.0%	map
Scarlet Monk(elite)	35-36+	Scarlet Monastery	26		Drop	0.0%	map
Kolkar Scout	30-31	Desolace	16		Drop	0.0%	map
Hatefury Rogue	31-32	Desolace	45		Drop	0.0%	map
Doomwarder	37-38	Desolace	4		Drop	0.0%	map
Raging Thunder Lizard	33-34	Desolace	77		Drop	0.0%	map
Stonevault Rockchewer(elite)	36-37+	Loch Modan	32		Drop	0.0%	map
Stonevault Geomancer(elite)	43-44+	Uldaman	9		Drop	0.0%	map
Hatecrest Sorceress	43-44	Feralas	69		Drop	0.0%	map
Dark Iron Agent(elite)	32-33+	Gnomeregan	34		Drop	0.0%	map
Withered Warrior(elite)	34-35+	The Barrens	13		Drop	0.0%	map
Withered Quilguard(elite)	35-36+	Razorfen Downs	18		Drop	0.0%	map
Frozen Soul(elite)	37-38+	Razorfen Downs	8		Drop	0.0%	map
Dreaming Whelp	35-36	Swamp of Sorrows	8		Drop	0.0%	map

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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.