If at level 60, the intimacy between master and apprentice is full, and at level 35, the master will give lapis lazuli and apprentice a professional suit.

If you are not satisfied with the intimacy between master and apprentice, the master seems to have given medicine, and the apprentice is still a 35-level professional suit.

Lapis lazuli is used to synthesize positive and negative beads. !

I hope it is useful to the landlord.