I found some of these interesting. Hope you enjoy!!
https://www.mangago.zone/read-manga/return_to_player/
https://www.mangago.zone/read-manga/nano_machine/
https://www.mangago.zone/read-manga/path_of_the_shaman/
https://www.mangago.zone/read-manga/black_haze/
https://www.mangago.zone/read-manga/chronicles_of_heavenly_demon/
https://www.mangago.zone/read-manga/the_live/
https://www.mangago.zone/read-manga/the_second_coming_of_gluttony/
https://www.mangago.zone/read-manga/the_player_that_can_t_level_up/
https://www.mangago.zone/read-manga/return_of_the_frozen_player/
https://www.mangago.zone/read-manga/the_only_necromancer/
https://www.mangago.zone/read-manga/swordmaster_s_youngest_son/
https://www.mangago.zone/read-manga/superhuman_battlefield/
https://www.mangago.zone/read-manga/the_novel_s_extra_2022/
https://www.mangago.zone/read-manga/ranker_s_return/
https://www.mangago.zone/read-manga/i_obtained_a_mythic_item/
https://www.mangago.zone/read-manga/the_newbie_is_too_strong/
https://www.mangago.zone/read-manga/chronicles_of_the_martial_god_s_return/
https://www.mangago.zone/read-manga/my_daughter_is_the_finall_boss_paperbag/
https://www.mangago.zone/read-manga/the_reincarnated_assassin_is_a_genius_swordsman/
https://www.mangago.zone/read-manga/martial_god_regressed_to_level_2/
https://www.mangago.zone/read-manga/the_player_hides_his_past/
https://www.mangago.zone/read-manga/one_hit_teacher_master_baek/
https://www.mangago.zone/read-manga/player_who_returned_10_000_years_later/
https://www.mangago.zone/read-manga/i_stole_the_number_one_ranker_s_soul/
https://www.mangago.zone/read-manga/the_ultimate_shut_in/
https://www.mangago.zone/read-manga/reaper_of_the_drifting_moon/
https://www.mangago.zone/read-manga/sword_fanatic_wanders_through_the_night/
https://www.mangago.zone/read-manga/the_dark_magician_transmigrates_after_66666_years/
https://www.mangago.zone/read-manga/poison_eating_healer/
https://www.mangago.zone/read-manga/return_of_the_broken_constellation/
https://www.mangago.zone/read-manga/barbarian_quest/
https://www.mangago.zone/read-manga/talent_swallowing_magician/
https://www.mangago.zone/read-manga/the_world_after_the_fall/
https://www.mangago.zone/read-manga/how_to_live_as_a_bootleg_healer/
https://www.mangago.zone/read-manga/warrior_high_school_dungeon_raid_department/
https://www.mangago.zone/read-manga/necromancer_s_evolutionary_traits/
https://www.mangago.zone/read-manga/i_became_the_genius_bastard_of_a_noble_dark_clan/
https://www.mangago.zone/read-manga/genius_archer_s_streaming/
https://www.mangago.zone/read-manga/surviving_as_a_genius_on_borrowed_time/
https://www.mangago.zone/read-manga/the_legendary_hero_is_an_academy_honors_student/
https://www.mangago.zone/read-manga/single_dad_in_another_world/
Ohmygod..u should make a list,, this is crazy
Need some action/fantasy recs with crazy good world building