This one immediately came to mind:
http://www.mangago.zone/read-manga/the_hero_who_seeks_revenge_shall_exterminate_with_darkness/
http://www.mangago.zone/read-manga/nidome_no_yuusha/
http://www.mangago.zone/read-manga/goblin_slayer/
This next one is not uhh, as dark as the others, but the main character is not an idiot and the story is quite gruesome.
http://www.mangago.zone/read-manga/tsuyokute_new_saga/
Tmain story and spin-off of http://www.mangago.zone/read-manga/tate_no_yuusha_no_nariagari/?qohC
http://www.mangago.zone/read-manga/the_executed_sage_is_reincarnated_as_a_lich_and_starts_an_all_out_war/
http://www.mangago.zone/read-manga/remonster/
Hope you'll somewhat enjoy them!
Thanks (づ￣ ³￣)づ
Can u guys recommend me some isekai manga imean MANGA not manhua or manhwa
That is the mc is a leader of a organazition,village,kingdom and etc... And please only recommend the op type,ruthless,mirciless,not dumb and please dont recommend like some dumb,simp,mc