Merge Pacts in the Mystic Spire to obtain Runes. Higher level Pacts will give higher level Familiar Runes. Higher level Familiars will require more Runes to enhance. Some Runes can only be obtained through special events or purchasing special bundles.
List of Runes
See: Familiars List
- It is recommended to not shatter Runes, nor use them to Familiar skill level, until that particular Familiar reaches Elder Stage.