EliteCabal
Item

Proof of Fighter

Quest Item · option 1336 · 1×1 slots

Careful: item 2877 exists under other options too, and they are different things. Proof of Warrior (option 1337), Proof of Swordsman (option 1338), Proof of Mercenary (option 1339), G.D. Certificate (option 3189), G.D. Certificate (option 3191), G.D. Certificate (option 3193)

Best place to farm

Nualle in Panic Cave (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
Nualle level 125 · 279,699 HP Panic Cave (Premium) level 100-145 mission 100% almost every kill