Sacred Seal

A Sacred Seal (聖印, Seiin, Holy Mark) is a type of skill introduced in Fire Emblem Heroes. They are essentially the passive skills with the ability of being freely equipped on any character or swapped around between characters. They are not learned by characters but can be earned by completing quests or forging. Only one copy of each Sacred Seal can be obtained at any moment - duplicates are instantly exchanged for 300 Hero Feathers.

List of Sacred Seals

See main article: List of Skills in Fire Emblem Heroes#Sacred Seals.

Sacred Seal Forge

Sacred Seal Forge is an option available after the Intermission: A Power Awakens is cleared. It allows players to create or upgrade Sacred Seals by forging with Badges, Great Badges and Sacred Coins as materials. The color of the required Badges and Great Badges varies, depending on the Sacred Seal.

Materials	Create	Upgrade
		Level 1 > 2	Level 2 > 3
Badges	100	200	1000
Great Badges	20	60	400
Sacred Coins	20 or 50	50	100