The Repository is an object that stores the corporeal bodies of the ghosts. It seems that after the freedom fighters won the Pac-World Wars against Betrayus, he and his minions were punished by having their bodies stripped away, stored in the Repository and they were banished to the Netherworld. Naturally, Betrayus will stop at nothing to steal the Repository and reclaim his body.
There are hexagon-like shapes giving off a rainbow glow, As mentioned earlier, the repository is a cylinder-like object. When it was disguised as a lamp, it was completely black.
The Repository contains the bodies of Betrayus and his ghosts and has to be opened by special means.