Bloodcloak

The bloodknight disappears, only leaving a pool of blood behind, and can walk the earth unseen by his enemies. Where ever he appears again, another pool of blood emerges.

Tier 1:
Costs: 15 Blood
Casting time: 2 actions
Effect: becomes invisible until next attack
Duration: 1 minute / 6 rounds
Target: self
Tier 2:
Costs: 15 Blood
Casting time: 1 actions
Effect: becomes invisible until next attack, +1 to hit
Duration: 2 minute / 12 rounds
Target: self
Tier 3:
Costs: 15 Blood
Casting time: 1 actions
Effect: becomes invisible until next attack, +2 to hit
Duration: 4 minute / 24 rounds
Target: self
Tier 4:
Costs: 5 blood
Casting time: 1 free action
Effect: becomes invisible until next attack, +2 to hit
Duration: 4 minute / 24 rounds
Target: self