Tritium Sword
From FlyFF WIki
One-handed weapon
Attack: 80 ~ 82
Attack speed: Very fast
Added bonus:
Attack Speed+5%
Required Job: Mercenary
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.