Gore Manga

dorohedoro & vagabond

http://www.mangago.me/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/

http://www.mangago.me/read-manga/dungeon_seeker/
(A bit of gore)

http://www.mangago.me/read-manga/bastard_hwang_youngchan/?fzP3

Yes to Dorohedoro
Anything by Junji Ito
The Left Hand of God and Right Hand of the Devil
Misu Misou (that one is so realistic and fucked up)

Gory shits
http://www.mangago.me/read-manga/gantz/
http://www.mangago.me/read-manga/satanister/
http://www.mangago.me/read-manga/murcielago/
http://www.mangago.me/read-manga/ichi_the_killer/
http://www.mangago.me/read-manga/devilman/
http://www.mangago.me/read-manga/berserk/
http://www.mangago.me/read-manga/dorohedoro/
http://www.mangago.me/read-manga/shiga_hime/
http://www.mangago.me/read-manga/dead_tube/
http://www.mangago.me/read-manga/trash_d_p/
http://www.mangago.me/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/
http://www.mangago.me/read-manga/tenkuu_shinpan/
http://www.mangago.me/read-manga/franken_fran/
http://www.mangago.me/read-manga/diner/
http://www.mangago.me/read-manga/pumpkin_night/
http://www.mangago.me/read-manga/mononobe_koshoten_kaikitan/
http://www.mangago.me/read-manga/yamiyo_ni_asobuna_kodomo_tachi/