Classic time-travel setting: Modern people travel through time and become the deposed prince. The beginning is in a desperate situation. It has its own "complaint energy"-style inner drama to add interest.
Dual-system game: innovatively set up a confrontation between the "flat system" and the "involution system" to create core conflicts and growth suspense
Pretend to be a pig and eat the tiger: Pretend to be a loser and practice secretly, step on your face and slap yourself in the face, it's more intensive
Machiavellianism + Immortality Cultivation: The combination of court struggle and immortality cultivation system creates a grand pattern