Progression
- 2 kills: Dash (right-click), 20s cooldown
- 4 kills: passive Strength I + Speed I
- 6 kills: Berserk (sneak + right-click), Strength III for 20s, 60s cooldown
- 8 kills: passive Strength II + Speed II
- 10 kills: passive Strength II + Speed II + Resistance II
Only player kills made while the Headless Blade is in the killer's main hand count. /headlessblade give (player)
