Do not ask for ROMs. Patch your own legal rip.
The mod generally functions on a based on duel rank:
https://docs.google.com/spreadsheets/d/1VeL6MZhGPNq3oxxulfZwADrW_RXrrucal307eBCYoI8/edit#gid=0
: You typically begin with stronger monsters like Mushroom Man and spells like Dark Hole to handle the mod's tougher early-game duels.
Yata-Garasu