Becoming a demon and traveling through another world

After traveling through time, he was adopted by a man named [God of Fighting]. He obviously has powerful magic power but is completely unable to control it. But it doesn't matter! The boundary gate is activated! Go to a new world and become stronger while finding the secrets of time travel. The first world: Did you make a mistake in searching for encounters in the dungeon ? PS: The author is a pure newbie. The writing and plot in the previous paragraph are poor, and I am slowly growing by absorbing opinions https://www.trxs.cc/tongren/8578.html