It’s that time of the year where I have to binge read time wasting cultivation novels. And that’s exactly what I’m looking for The more the better, Thanks in advance! tl;dr Literally any cultivation novels
Reverend Insanity has an organic cultivation system integrated into its worldbuilding and it doesn't give power for free.
Divine Throne of Primordial Blood have a mc that makes a cultivation method that everyone can use from a point where just selected people could reach high levels.
'World Defying Dan God', 'King of Gods', 'Martial Peak', 'Dragon Marked War God'. Will edit the post if I remember to write them down.