You Become Stronger When You Are Exposed to the Sun. Do You Think This Is a Useless Power?

"Lin Yan, superpower 'mortal', level F" A cold voice sounded. But no one could have imagined that this was the first power that could evolve in history. Everyone despises him But without knowing it, he went from an F-class 'mortal' to an SSS-class 'god'. He can fly in the sky and escape from the ground, his eyes shoot lasers, his body is invulnerable and indestructible. He was on top of the world.