Calling Card

It can raise the rarity of up to two eligible Olympian boons.

Use it when

Use it during the Fates' Whim when two already-useful Olympian boons are worth improving.

Limit

It is unavailable outside the Fates' Whim and cannot rescue a build that lacks the right boons.

If it is absent

Use the matching god keepsake when finding the main Boon is still the first problem.

When to replace it

At the next keepsake cabinet, replace it after its remaining uses reach zero.