Hero Summon

You can contract and dismiss heroes here.
A marker appears when you have a Hero Contract or when a Star-Time Contract becomes available.

【Hero Summon】
Constructing an Observatory unlocks Hero Summons.
Raising the Observatory's Lv reduces the time required for summoning.
It also allows you to dismiss heroes. For details about available heroes and their parameters, see Hero Information.

【Hero Contract】
This Hero Summon is performed by using a Hero Contract.
The hero summoned is random.

【Star-Time Contract】
This Hero Summon becomes available after a certain amount of time.
The hero summoned is random.

【Hero Dismissal】

When you dismiss a hero, you receive a Secret Tome corresponding to that hero's random skill.
Secret Tomes are used to change a random skill or an empty skill slot.

For details about the types and effects of Secret Tomes, see Hero Skills & Secret Tomes.