Ava's demon

1.

When a young, shy girl named Ava discovers that the demon who haunts her is actually the spirit of an ancient alien queen named Wrathia, the two form a powerful pact--in exchange for a better life, Ava must help Wrathia seek revenge against TITAN, the god-like being who destroyed her empire. To aid Ava against TITAN, she must first assemble Wrathia's most trusted warriors and the lifeforms they haunt. The only problem is, she doesn't know what they...