Drums of liberation

It allows anyone that the user wants to unlock their full potential Making them take only half damage and they deal double damage on spell strikes and triple on non spell strikers If you are less than 10 Hp the user becomes completely invincible to all attacks. The user can't fight and if you are hit you are knocked out of the spell. Due to the noise of the drums the only way to counter the spell it to dephen the people that are buffed