Literally anything from Calendars, to Magic, to anything in between
Arcane or Divine, it does not matter. All Magic is drawn from the same, only changing how it is gained.
The Calendar used by the Continent
The amazing imagery displayed in World Anvil is graciously vested by
His Titanship Christopher Dravus of Ironrise Games,
Our Revered Deity Basic Dragon / Rin &
His Majesty Caeora