Sealed Power, The Hero's Journey

Sealed since ancient times a demon that once brought the world to the brink of annihilation at last finds its ancient seal weakening. Determined to destroy the world this time around it rejoices, only to find out its seal was weakened ... by a malnourished pubescent orphan. Unable to escape its prison for the time being, the demon decides to lend its power to the boy if only to alleviate its own boredom a little.

Watch a typical hero story's not just from the eyes of the protagonist but also from the power sealed inside him. Will the hero ever be able to earn the approval of the Demon or at the very least get it to stop almost killing him because its bored.
(artwork belongs to Artistbot on Pinterest)

Mature content warning, graphic descriptions of bodily harm