Starting of Era

A boy whose Name was Sin Hatogami He was the weakest fighter He's rank was F the weakest rank he was injured

in every biom.There was the ranking of Biom F,E,D,C,B,Aand S and the ranking of Biom is based on their magic power.Same with fighter's Sin goes to a

random Biom he was very confident

that Sakura comes and sees she was very angry and says" Sin try to not get hurt! ",

They complete the Biom and go home

but! they saw A GIANT BOSS GATE ! Sin says "What The Fuck Is Happening" And there captain MR.Luge says" Let's go!" Sin feels something strange and thinks "Something was STRANGE !"They go inside of the Biom and see a giant knight statue in red colour they are all afraid of that Someone else MR.Luge says "This is a statue nothing else".