Ing

The Ing are an uncommon monster found within The Darkness. When on screen, they will emit a blood-curdling screech and violently chase after you. They can melt through blocks and take half damage when liquified.

Stats:

 * 84 Damage
 * 50 Defense

Drops:
They look just like the Ing from Metroid Prime 2: Echoes.
 * 1-4 Gold (100%)
 * Ing Staff (3.33%)