Level

You can level up Companions, Items, Spirits, Formations and more.

To level up you need XP or as the game calls it Prestige.

Leveling the player unlocks more game features:

16
Unlock Plunder.

20
Unlock Guilds.

21
Unlock Wild Bath.

24
Unlock Heaven Chaos.

25
Unlock Family Servant.

27
Unlock Cultivate.

28
Unlock Beauty Champion.

30
Unlock Peach Feast and Gold Shower.

32
Unlock Brothel Date.

33
Unlock Divine Dragon.

42
Unlock Find Immortal.

80
6'th Spirit slot