We’ll update this as soon as we find more interesting Mirages Mu -> Carbuncle Here’s the guide on where to get the specific Mementos.
The majority of the mementos are obtained through story progression. Please note that certain Mirage requires a Memento before you can reach their evolution. If you’ve been collecting a lot of Mirages, here are the best ones you should consider raising: World of Final Fantasy Mirages In World of Final Fantasy there are a several Mirages that seem undesirable at the start, but eventually become quite useful.