its not a bug, i didn't set a price for catalysts because i didnt want people selling them before i made it possible to get them in the booster pack :3.
Mandrake will be fixed in next update.
the lag spike is cause that street is one of the areas the re-initialises the live2d. (like youll note if you talk to nat and battle her again immediatey after doing so, sometimes the live2d vanishes because its not done resetting them
I'll probably make another cardgame system in the future, but it takes a lot of work to add one extra girl to the lewd bit.
