Character Lv. can be increased by using Heroics Textbooks and Gold.
Increasing a character's rarity increases their max Lv., and all characters can be leveled up to Lv. 100.
■ Multi Level Up
This allows you to level up a character in one go up to the level before either their Skill Lv. or Ultimate Move Lv. increases.
Characters have rarity, which can be increased by using character shards.
All characters can be raised up to LR+.
Increasing rarity increases a character's:
・Max Character Lv.
・Max Costume Lv.
・Training Limit
The required shards and which character shards can be used to increase rarity vary by each rarity.
N→N+: 20 shards of the same character
N+→R: 40 character shards of the same attack type
R→R+: 40 shards of the same character
R+→SR: 80 character shards of the same attack type
SR→SR+: 60 shards of the same character
SR+→UR: 200 character shards of the same attack type
UR→UR+: 120 shards of the same character
UR+→LR: 600 character shards of the same attack type
LR→LR+: 120 shards of the same character