Where to Farm Plans: Thorium Shield Spike

The best place to farm Plans: Thorium Shield Spike is Silithus, where Stonelash Scorpid (level 54-55) drops it at 0.0%. That is the vanilla 1.12 chance, not yet confirmed in Forever. 99 sources are ranked below by drop chance.

Gold per kill: Stonelash Scorpid is worth about 14s 14c a kill in item drops (prices from 14 Oct 2026). Gold farming spots, level 50-60

Best zones:

The 15 zones with the best source; every source is listed below.

Zone	Sources	Best source	Level	Drop% ▼
Blasted Lands	2	Lord Kazzak	63+	1.8%
Burning Steppes	7	Solid Chest		0.5%
The Hinterlands	2	Solid Chest		0.5%
Eastern Plaguelands	7	Solid Chest		0.5%
Tanaris	2	Greater Silithid Flayer	54-57+	0.1%
Silithus	2	Stonelash Scorpid	54-55	0.0%
Dire Maul	5	Whip Lasher	54	0.0%
Feralas	2	Gordok Ogre-Mage	52-53+	0.0%
Western Plaguelands	6	Skeletal Executioner	54-55	0.0%
Stratholme	9	Skeletal Guardian	55-56	0.0%
Azshara	6	Thunderhead Skystormer	50-52	0.0%
Blackrock Depths	6	Anvilrage Footman	51-52+	0.0%
Felwood	10	Jadefire Felsworn	50-51	0.0%
Winterspring	4	Elder Shardtooth	57-58	0.0%
Blackrock Spire	14	Scarshield Legionnaire	54-55+	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
Lord Kazzak(elite)	63+	Blasted Lands	1		Drop	1.8%	map
Solid Chest		Burning Steppes	56		Contains	0.5%	map
Solid Chest		The Hinterlands	52		Contains	0.5%	map
Solid Chest		Eastern Plaguelands	30		Contains	0.5%	map
Greater Silithid Flayer(elite)	54-57+	Tanaris	72		Drop	0.1%	map
Stonelash Scorpid	54-55	Silithus	156		Drop	0.0%	map
Whip Lasher	54	Dire Maul	126		Drop	0.0%	map
Gordok Ogre-Mage(elite)	52-53+	Feralas	104		Drop	0.0%	map
Noxious Plaguebat	54-56	Eastern Plaguelands	94		Drop	0.0%	map
Skeletal Executioner	54-55	Western Plaguelands	94		Drop	0.0%	map
Dunemaul Enforcer	46-47	Tanaris	89		Drop	0.0%	map
Gordok Mastiff	57-59	Dire Maul	68		Drop	0.0%	map
Skeletal Flayer	50-51	Western Plaguelands	67		Drop	0.0%	map
Skeletal Guardian	55-56	Stratholme	67		Drop	0.0%	map
Thunderhead Skystormer	50-52	Azshara	65		Drop	0.0%	map
Diseased Flayer	58-59	Eastern Plaguelands	62		Drop	0.0%	map
Haunting Vision	57-58	Western Plaguelands	62		Drop	0.0%	map
Scarlet Warder(elite)	53-54+	Eastern Plaguelands	59		Drop	0.0%	map
Anvilrage Footman(elite)	51-52+	Blackrock Depths	54		Drop	0.0%	map
Slavering Ghoul	50-52	Western Plaguelands	53		Drop	0.0%	map
Jadefire Felsworn	50-51	Felwood	52		Drop	0.0%	map
Firegut Ogre	50-51	Burning Steppes	51		Drop	0.0%	map
Legashi Hellcaller	52-53	Azshara	48		Drop	0.0%	map
Legashi Satyr	51-52	Azshara	48		Drop	0.0%	map
Draconic Mageweaver(elite)	51-52+	Azshara	46		Drop	0.0%	map
Deadwood Avenger	54-55	Felwood	45		Drop	0.0%	map
Deadwood Den Watcher	53-54	Felwood	45		Drop	0.0%	map
Deadwood Shaman	53-54	Felwood	45		Drop	0.0%	map
Elder Shardtooth	57-58	Winterspring	45		Drop	0.0%	map
Fireguard Destroyer(elite)	54-56+	Blackrock Depths	45		Drop	0.0%	map
Scarshield Legionnaire(elite)	54-55+	Blackrock Spire	45		Drop	0.0%	map
Mangled Cadaver(elite)	55-56+	Stratholme	42		Drop	0.0%	map
Suffering Highborne	54-55	Winterspring	42		Drop	0.0%	map
Angerclaw Mauler	49-50	Felwood	41		Drop	0.0%	map
Zulian Crocolisk(elite)	60+	Zul'Gurub	41		Drop	0.0%	map
Gordok Mauler(elite)	53-54+	Feralas	37		Drop	0.0%	map
Blackhand Veteran(elite)	59-60+	Blackrock Spire	35		Drop	0.0%	map
Cannibal Ghoul	54-55	Eastern Plaguelands	35		Drop	0.0%	map
Sandfury Shadowhunter(elite)	45-46+	Zul'Farrak	35		Drop	0.0%	map
Diseased Ghoul(elite)	58-59+	Scholomance	34		Drop	0.0%	map
Living Blaze	54-55	Un'Goro Crater	34		Drop	0.0%	map
Gurubashi Axe Thrower(elite)	60+	Zul'Gurub	31		Drop	0.0%	map
Razzashi Adder(elite)	60+	Zul'Gurub	29		Drop	0.0%	map
Atal'ai Witch Doctor(elite)	49-50+	The Temple of Atal'Hakkar	28		Drop	0.0%	map
Vilebranch Blood Drinker(elite)	49-50+	The Hinterlands	28		Drop	0.0%	map
Irontree Stomper	52-53	Felwood	26		Drop	0.0%	map
Rotting Cadaver	53-54	Western Plaguelands	26		Drop	0.0%	map
Scarshield Spellbinder(elite)	54-55+	Blackrock Spire	26		Drop	0.0%	map
Un'Goro Stomper	51-52	Un'Goro Crater	26		Drop	0.0%	map
Storm Bay Warrior	51-52	Azshara	25		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.