Where to Farm Copper Modulator: Drop Rates by NPC

The best place to farm Copper Modulator is Stonetalon Mountains, where Venture Co. Builder (level 20-21) drops it at 2.2%. That is the vanilla 1.12 chance, not yet confirmed in Forever. 49 sources are ranked below by drop chance.

Best zones:

Zone	Sources	Best source	Level	Drop%
Unknown zone	2	Target Dummy	20	75.0%
Westfall	9	Box of Assorted Parts		30.0%
The Barrens	12	Box of Assorted Parts		30.0%
Gnomeregan	13	Arcane Nullifier X-21	32-33+	8.0%
Ashenvale	1	Warsong Shredder	27-28	2.6%
Stonetalon Mountains	5	Venture Co. Builder	20-21	2.2%
The Deadmines	6	Goblin Engineer	18-19+	2.1%
Dun Morogh	1	Techbot	26+	1.4%

Map of Westfall — Box of Assorted Parts **25.7, 49.0**
Foe Reaper 4000 **44.8, 35.4**
Harvest Watcher **43.5, 35.8**
Harvest Golem **56.9, 35.2**
Harvest Reaper **65.2, 61.3**
Rusty Harvest Golem **54.3, 25.0**
Defias Looter **43.7, 68.5**
Defias Pillager **43.7, 68.5**
8 sources in Westfall, each where it spawns most often; click a pin for the source.Larger map

All sources, by drop chance:

Vanilla reference — from the 1.12 world data, not yet confirmed in Forever.
Source	Level	Zone	Spawns	Side	How	Drop%	Map
Target Dummy	20		0		Drop	75.0%	map
Box of Assorted Parts		Westfall	19		Contains	30.0%	map
Box of Assorted Parts		The Barrens	12		Contains	30.0%	map
Arcane Nullifier X-21(elite)	32-33+	Gnomeregan	8		Drop	8.0%	map
Foe Reaper 4000(rare)	20	Westfall	1		Drop	4.8%	map
Warsong Shredder	27-28	Ashenvale	2	Alliance only	Drop	2.6%	map
Mechano-Tank(elite)	29-30+	Gnomeregan	7		Drop	2.3%	map
Mechano-Frostwalker(elite)	31-32+	Gnomeregan	8		Drop	2.3%	map
Venture Co. Builder	20-21	Stonetalon Mountains	7		Drop	2.2%	map
Tinkerer Sniggles	16	The Barrens	1		Drop	2.2%	map
Goblin Engineer(elite)	18-19+	The Deadmines	6		Drop	2.1%	map
Mechanized Sentry(elite)	28-29+	Gnomeregan	29		Drop	2.1%	map
Harvest Watcher	14-15	Westfall	35		Drop	2.0%	map
Harvest Golem	11-12	Westfall	28		Drop	2.0%	map
Mechanized Guardian(elite)	31-32+	Gnomeregan	16		Drop	1.9%	map
XT:9	23	Stonetalon Mountains	1		Drop	1.9%	map
Venture Co. Machine Smith	21-22	Stonetalon Mountains	3		Drop	1.9%	map
Harvest Reaper	17-18	Westfall	10		Drop	1.8%	map
Peacekeeper Security Suit(elite)	30-31+	Gnomeregan	4		Drop	1.8%	map
Venture Co. Engineer	20-21	Stonetalon Mountains	7		Drop	1.8%	map
Mechano-Flamewalker(elite)	30-31+	Gnomeregan	8		Drop	1.7%	map
XT:4	23	Stonetalon Mountains	1		Drop	1.4%	map
Techbot(elite)	26+	Dun Morogh	1		Drop	1.4%	map
Rusty Harvest Golem	9-10	Westfall	16		Drop	1.1%	map
Engineer Whirleygig(rare)	19	The Barrens	1		Drop	1.1%	map
Chomper(elite)	30+		0		Drop	0.1%	map
Boss Copperplug	19	The Barrens	1		Drop	0.1%	map
Bael'dun Excavator	21-22	The Barrens	30	Horde only	Drop	0.0%	map
Leprous Technician	29-30	Gnomeregan	24		Drop	0.0%	map
Bael'dun Foreman	22-23	The Barrens	5	Horde only	Drop	0.0%	map
Leprous Assistant	28-29	Gnomeregan	88		Drop	0.0%	map
Defias Looter	13-14	Westfall	84		Drop	0.0%	map
Defias Pillager	14-15	Westfall	84		Drop	0.0%	map
Murloc Hunter	16-17	Westfall	72		Drop	0.0%	map
Irradiated Pillager(elite)	25-26+	Gnomeregan	46		Drop	0.0%	map
Venture Co. Enforcer	16-17	The Barrens	29		Drop	0.0%	map
Defias Strip Miner	18-19	The Deadmines	27		Drop	0.0%	map
Caverndeep Burrower(elite)	25-27+	Gnomeregan	22		Drop	0.0%	map
Venture Co. Overseer	17-18	The Barrens	22		Drop	0.0%	map
Bael'dun Soldier	23-24	The Barrens	17	Horde only	Drop	0.0%	map
Caverndeep Reaver(elite)	27-28+	Gnomeregan	16		Drop	0.0%	map
Goblin Shipbuilder(elite)	19-20+	The Deadmines	16		Drop	0.0%	map
Bael'dun Rifleman	24-25	The Barrens	15	Horde only	Drop	0.0%	map
Goblin Woodcarver(elite)	18-19+	The Deadmines	11		Drop	0.0%	map
Bael'dun Officer	26	The Barrens	10	Horde only	Drop	0.0%	map
Caverndeep Ambusher	25-27	Gnomeregan	5		Drop	0.0%	map
Defias Taskmaster(elite)	18-19+	The Deadmines	5		Drop	0.0%	map
Prospector Khazgorm	24	The Barrens	4	Horde only	Drop	0.0%	map
Defias Wizard(elite)	18-19+	The Deadmines	3		Drop	0.0%	map

Needed for:

Quests:

Level	Quest	Needs
60	Copper Modulator	5x

Recipes:

Recipe	Profession	Needs
Clanking Cord	Engineering	1x
Harvester Override Signalcaster	Engineering	2x
Mechanical Squirrel	Engineering	1x
Ornate Spyglass	Engineering	1x
Serrated Strap	Engineering	2x
Small Seaforium Charge	Engineering	1x
Target Dummy	Engineering	1x

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 (vanilla reference — from the 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.

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