Need some Recommendations

[Mangalover9000]

Can anyone recommend me some LNs?
Requirements:
*COMPLETED
*have a manhwa/manga/manhua adaptation that is not too much chapters ahead
*NOT paywalled
*more than 400 chaps.
*entertaining and fun to read
*SHOUlD be good
Eg. > Omniscient Reader's Viewpoint

 

[Falador]

Trash of the counts family.