EliteCabal
Item

B.I. Certificate

Quest Item · option 3198 · 1×1 slots

Careful: item 2875 exists under other options too, and they are different things. B.I. Certificate (option 3199), B.I. Certificate (option 3200)

Best place to farm

Ice Zombie Lady in Frozen Tower of Undead

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

80% 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
Ice Zombie Lady level 119 · 24,210 HP Frozen Tower of Undead level 80-145 mission 80% almost every kill