Didn't You Expect That Your God Is My Vest?

Countless epochs ago, Gray came to this world in a dream and reincarnated endlessly, creating legends one after another: The master of the shadow thief who walks in the darkness, the spellweaver who controls the power of destruction, The devil king in the Nine Hells of Baator, The legendary monk who is invincible at close quarters, the dragon-veined warlock who inherits destiny, The Kraken that hides deep under the ocean thousands of feet deep, the Plutonium Dragon that brings destruction to the multiverse, Even the gods who sit firmly in the Kingdom of God and look down on all living beings. These were all Gray's vests. Now, Gray's true form has descended into the multiverse, starting with the demon in the abyss, bringing his system with him... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.