For once K2 did actually something good and replaced 1440 Hp pots with 720 Pots... You can buy them on PowerUp Store again....

EDIT: Both Hp and MP pots are back...

Hp Pots= 720
Mp Pots= 1920

300 Hp Pots: 360 G1 Credit
100 Hp Pots: 160 G1 Credit

300 Mp Pots: 360 G1 Credit
100 Mp Pots: 160 G1 Credit