Copper Earring is worth 30 Magic Power — the second-highest of any farmable material behind Furnace Core — which is why it shows up in almost every late-game potion plan. The Copper Earring material record covers what it’s for; this page is the actual route: which enemy to fight first, when to switch, and the real math behind “worth farming.”
Quick answer
Start on the regular Archer Goblin (13% drop) while you’re still weak, then switch to Mutant Archer Goblin or Mutant Warhammer Dwarf (43% each) the moment you can survive them — that’s more than 3x the drop rate for roughly the same time per kill. Only fight the Dwarf King for Copper Earring as a side effect of farming Furnace Core, not as your primary route.
Step-by-step: the route
- Early game: farm Archer Goblin. At 13%, it’s the lowest rate on the list, but it’s the only source you can safely fight before you’ve built any real Magic Power. Treat every Copper Earring here as a bonus, not your main income.
- Gear check: hit a stable damage potion first. Before switching targets, make sure you can reliably brew Tornado (70 Magic) or Meteorite (74 Magic) from the potion planner — mutants hit harder than base goblins, and going in underpowered wastes more time than it saves.
- Midgame: switch to Mutant Archer Goblin or Mutant Warhammer Dwarf. Both drop Copper Earring at roughly 43%. Pick whichever one is faster for you to kill — the drop rate is identical, so the decision comes down to your build’s matchup, not the material itself.
- Track your Magic Power target, not a Copper Earring count. Once your build clears the potion threshold you’re actually chasing, stop farming Copper Earring and switch to Furnace Core — its 43 Magic Power per drop moves your total further per successful hit, even though the rate from Mutant Warhammer Dwarf is the same 43%.
- Treat the Dwarf King as a bonus stop, not a route. It drops Copper Earring at the same ~43% as the mutants, but the fight takes meaningfully longer than a single trash-mob kill — see the Dwarf King boss mechanics guide before you build a whole session around it.
Comparison: expected drops per 10 kills
| Source | Drop rate | Expected per 10 kills | Notes |
|---|---|---|---|
| Mutant Archer Goblin | 43% | 4.3 | Fastest route once you can survive it |
| Mutant Warhammer Dwarf | 43% | 4.3 | Same rate, also drops Flame Crest and Furnace Core |
| Dwarf King (boss) | 43% | 4.3 per kill, but one boss kill ≈ several trash-mob kills in time | Bonus stop, not a primary route |
| Archer Goblin (base) | 13% | 1.3 | Only safe early-game source |
The headline number here is that Mutant Archer Goblin and Mutant Warhammer Dwarf tie at 43%, and both also drop Flame Crest at the same rate — so whichever one you’re farming for Copper Earring, you’re passively stacking a second material at no extra cost. That’s the real reason mutants beat the boss route for pure Copper Earring farming: same per-kill odds, but a mutant kill is faster than a boss kill, so your Copper Earrings per minute is higher even though your Copper Earrings per encounter is identical.
When to stop farming Copper Earring entirely
Once your Magic Power total clears the potion you’re building toward, Copper Earring stops being useful — carrying materials past your actual brewing need is wasted farming time. If you’re chasing a 100+ Magic potion like Radiant Sword or Night Wraith, switch fully to Furnace Core once you can reliably survive Mutant Warhammer Dwarf, since 43 Magic Power per drop closes the gap faster than 30.
FAQ
Is the Dwarf King worth fighting just for Copper Earring? Not on its own. The drop rate matches the mutants at ~43%, but the fight takes longer than a single mutant kill. Fight the boss for the Furnace Core shot and bonus Flame Crest, and treat Copper Earring as a side benefit.
What’s the fastest way to hit 30+ Copper Earrings? Mutant Archer Goblin or Mutant Warhammer Dwarf, whichever you personally kill faster. At 43% each, expect roughly one Copper Earring per 2–3 kills.
Should a new player farm Copper Earring at all? Only opportunistically from the base Archer Goblin. At 13%, it’s not worth a dedicated early-game route — focus on starter potion materials first and let Copper Earring accumulate as a bonus.
Does Copper Earring drop from chests? No — per the current source data, all four listed sources are enemy kills. There’s no chest route documented for this material, unlike the elemental shards.