Review Detail of Lightning_god in I Was Summoned as a Demon

Surprisingly good, the writing quality makes a giant leap around the 8th chapter. The first few chapters aren't great, but I'm intrigued about this world that the author has created as well as where the story goes. However the mc does seem to gain strength does seem to gain strength every time he does anything. Making him have max level skills after doing it less than 20 times just doesn't make sense