Mirage board

Each mirage in World of Final Fantasy has a Mirage Board, which is made up of a series of paths and nodes. As a mirage levels up it gains SP, which can be spend on it's mirage board to unlock ability nodes. The nodes come in various types, including stat bonuses, combat abilities, support abilities that are used outside of combat to help navigate past obstacles or find items, as well as nodes that grant the mirage access to additional forms, along with those forms associated mirage boards. Some nodes also give the player an item, such as a prism that can be used to capture another mirage of the same family as the board's owner, or a mirajewel that allows Lann or Reynn to use one of the mirage's abilities as their own.

Multiple mirage boards
As mirages progresses they gain access to more forms and mirage boards. The abilities and stat increases from all of a mirage's unlocked mirage boards remain active and stack, with a few exceptions. A small number of abilities can only be used by a mirage while it is in the form whose board posses the ability, such as a Chocochick's Stroll, or a Behemoth's Joyride. The nodes of such abilities are surrounded by a filigree like boarder on the mirage board.