Leviathan of the Sea of Fate

A world where cultivation, spirits, and gods exist and was ruled by power and illusions, who or what could break those illusions?  A ordinary man who transmigrated into this cruel world and can see through there illusions, who is much more fitted than him? A tyrant, a murderer, a demon whose only goal is power? Fate is cruel isn't it? This is the journey of a Leviathan