Manga with a powerful Main Character.

Dendrobates, Necromancer, any shounen manga like Bleach, Naruto, One Piece, DBZ

http://www.mangago.me/read-manga/the_god_of_high_school/
http://www.mangago.me/read-manga/black_clover/
http://www.mangago.me/read-manga/black_haze/
http://www.mangago.me/read-manga/shinjuku_dxd/
http://www.mangago.me/read-manga/the_new_gate/
http://www.mangago.me/read-manga/battle_through_the_heavens/
http://www.mangago.me/read-manga/the_magic_chef_of_ice_and_fire/
http://www.mangago.me/read-manga/vinland_saga/