Trained By a god in an SSS-Rank Dungeon for 10Million Years [Dropped]

10 Years ago Dungeon's suddenly appeared all over the world at first they wear trying to investigate it but monster appeared in the Dungeon's it massacre millions of people all over the world until heroes called awakeners started appearing they are the saviour of the humanity then one after another people started awakening those who are awakened are called heroes for those who awakened their life's have change just by being awakened On Japan year 2041 There an hero who is an E-Rank hero He just awakened 2 days ago and he suddenly get promoted to a E-Rank hero THE power system of ranks are E-Rank F-Rank D-Rank C-Rank B-Rank A-Rank S-Rank SS-Rank SSS-Rank National Heroes-Rank Those Who Reached the peak of the rank already became a Demi-god race as far as everyone knew no one has reached the God Race But watch as the mc rose through ranks Killing even a national hunters But what Class did he awakened? Well watch the chapter to find out more