they eat spiritual energy, feasting upon a creatures mind and life essence by passing directly through them, they can past through most objects ecept metals, and unless they continually absorb divine energy instead of regular, they split in half, and the process repeats itself again and again until they form a swarm, and when the swarm reaches critical mass, several of them split off, leaving the hive mind. Otherwise they just age until early adulthood and increase in power until the reach a certain extent. In case of an energy crisis they can merge back into a singular being.
SO special abilities.
Energy absorbtion
Intangibility, except for metals.
and they can eat small spirits, before expelling their energyless husks.
I call her Grace
She's actually a nice girl when you get to know her, a bit sarcastic though. I'm planning to hatch her from the egg I got from the insect beast after it absorbed some energy from the dead dragon.
Welcome one and All to the Jesters Carnival, where the prizes are greater than your wildest dreams, but the nightmares here shall silence you before you can even scream.