Powercell: Drop sources, locations, and probabilities

Mobs Dropping Powercell

Ennemy	Probability
Coolant Raknoid	100%

Other items:
Nihil's Oubliette 60x Cred - Gral's Kubrodon 40x Cred - Gral's Thumper Floof 40x Cred
Dreamer's Bond - Gral's Pobber Floof 40x Cred