Black Hole Devourer

He traveled through time and became Mr. E, and has the ability to evolve infinitely. From now on, I swallow whatever I see. There is a black hole at the beginning, and upgrading and defeating monsters all rely on swallowing. Of course, you also need to travel around the world to do things. Let's see how he becomes the strongest step by step... Wait, why am I invincible? All right! In fact, the real story is a story about a guy who was invincible when he appeared and went to various worlds to do crazy things because he was bored... This book is updated as time goes by. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.