From Portals of Phereon Wiki
Can be evolved from Light Spirits, but only after it's unlocked in the gallery. Alternatively they can be received after Grenea questline, if artifact is returned.
They can be evolved into five different types:
|LightShape, LightFlash, Meditate
|MagicCheer, Bedazzle, MagicShield
|MagicCheer, LightFlash, Cleanse
|Bedazzle, LightFlash, HolyLight
|HolyLight, LightFlash, MagicShield
They don't evolve further.