EliteCabal
Item

Proof of Mercenary

Quest Item · option 1339 · 1×1 slots

Careful: item 2877 exists under other options too, and they are different things. Proof of Fighter (option 1336), Proof of Warrior (option 1337), Proof of Swordsman (option 1338), G.D. Certificate (option 3189), G.D. Certificate (option 3191), G.D. Certificate (option 3193)

Best place to farm

Flamebound Eurostia in Lava Hellfire (Premium)

A mission item, rolled for this species independently on each kill.

100% almost every kill
Show these spawns on the map

Drops · 1 source

Rates are what you experience: the server's drop multiplier is 1x.

From Where Rate
Flamebound Eurostia level 124 · 214,445 HP Lava Hellfire (Premium) level 113-124 mission 100% almost every kill