10th Form: Constant Flux

You can't cast this spell unless you control a
creature with Water Breathing.
Tap target untapped creature you control with
Water Breathing, That creature deals X damage
times X to any target.
"I will not trample on the pains of being a demon
nor on those who regret their actions. Because
demons were humans...they were humans like
me." -Tanjiro Kamado