The Feast of Carroll is a celebration that occurs when Eamon's two largest moons, Geona and Niria, are full together on the same day. The day is usually marked by lively festivities with abundant food and drink, followed by nighttime hunting parties across the moonlit fields.

When all three moons (including Silla) are full on the same day, it becomes a Grand Feast of Carroll. The Feast of the Hidden Moons occurs when all the moons are new.