Dark bloon

Dark bloon is a bloon. It is immune to evil-based attacks and takes half damage from all attacks but light, that it takes triple damage from. It has 30 HP, moves at the speed of a glued black, and has 30 blacks inside. It has 1 evil skill, just 1, but its powerful:

Evil encoded (passive): All bloons on screen that have lower than 20 HP get current-and maximum, HP to 30. Can only be used once each bloon.