This list also includes works that have historical European/ fantasy themes.
This list contains manga/manhwa/manhua rated: 8.5-8.3
Links to Lists of works with other ratings:
Part 4 (9.1-8.9): https://www.mangago.me/home/mangalist/2396219/
Part 5 (8.9-8.8): https://www.mangago.me/home/mangalist/2397302/
Part 6 (8.8-8.7): https://www.mangago.me/home/mangalist/2409421/
Part 7 (8.7-8.5): https://www.mangago.me/home/mangalist/2519274/
Part 9 (8.3-8.0): https://www.mangago.me/home/mangalist/2628512/
Isekai BL
Reincarnation, Transmigration
Reincarnated in Another World
Reincarnated in a Game World
Reincarnated in a Book World
Transported to Another World
Reincarnated Lover
Multiple Reincarnation
Reincarnated in the Past
Time Travel
Time Rewind