Recommendations

https://www.mangago.zone/read-manga/omniscient_reader_s_viewpoint/

https://www.mangago.zone/read-manga/i_m_not_that_kind_of_talent/

https://www.mangago.zone/read-manga/eleceed/

https://www.mangago.zone/read-manga/heaven_can_t_live_an_ordinary_life/

https://www.mangago.zone/read-manga/the_100th_regression_of_the_max_level_player/

https://www.mangago.zone/read-manga/killer_pedro/

https://www.mangago.zone/read-manga/return_of_the_frozen_player/

https://www.mangago.zone/read-manga/martial_god_regressed_to_level_2/

https://www.mangago.zone/read-manga/the_dark_magician_transmigrates_after_66666_years

https://www.mangago.zone/read-manga/return_survival//

https://www.mangago.zone/read-manga/zomgan/

https://www.mangago.zone/read-manga/one_day_suddenly_seoul_is/

https://www.mangago.zone/read-manga/genius_archer_s_streaming/

https://www.mangago.zone/read-manga/special_civil_servant/

https://www.mangago.zone/read-manga/i_was_mistaken_as_a_monstrous_genius/

https://www.mangago.zone/read-manga/global_examination/

Global Examination is the first to come to mind, plus the novel as well since the manwha changed a bit of things from it.

Thanks

White blood
Oh dangun

I've read most of your suggestions...white blood or unholy blood from webtoon and Dangun too