Fate system

General
Each companion has their own favourite gifts. Players can use these gifts to earn their affinity. Once the affinity reaches the maximum number, they will receive that companion.

Fate system does not available for 3* mercenaries' companions.

Gift Exchange
Players can exchange leftover gifts to another gifts with 3:1 ratio. Also, players cannot receive gifts for the companions that they have already obtained through Fate system. 5* gifts can be exchanged into another 5* gifts. The same rule apply for 4* gifts.

Dismantle System
Player need to have a Grade V companion in order to dismantle the remaining duplicates of the companions.