The Last Strike Vow - Stage 2.5

Benefit:

• Declare (no action) that your next technique/spell is your last offensive act this combat
• Gain advantage on the attack roll, OR
• Impose disadvantage on the target's first save against it

Drawback:

• After the attack/spell, you cannot deal damage to hostile creatures until the end of your next turn
• You can still take defensive actions, move, and use utility spells