Tritium Bow
From FlyFF WIki
Two-handed weapon
Attack: 72 ~ 73
Attack speed: Fast
Added bonus:
Attack Speed+10%
Required Job: Acrobat
Required Level: 25
NPC Price: N/A
Not acquirable anymore, although there are players who might sell on older Clusters.
In previous versions, the Tritium weapons were part of the Mars Mine Dungeon quest.