Greatest Superhero

MC is a chuunibyou and wants to become the greatest superhero. He makes a quite a name for himself but in search for greatest superpower goes to the Himalayas and meditate on a lone peak for years, at the end of the day he achieves something that he even can't explain and then jumps into the boiling lava. He also gets reincarnated into another world where cultivators and magicians go hand in hand.