Board Thread:Unanswered Questions/@comment-151.51.172.43-20150915143144/@comment-24990154-20150915145846

Good thing you've noticed it before buying. To increase the level cap of pixy(4 star), use the normal Lv cap form which can be obtained through gold box and participating in ranking tournaments.

The ones in the supply catalog are for 2 and 3 stars planes respectively.