Ability Cards are special stat cards that grant various bonuses simply by being owned.

[How to Obtain & Upgrade]

• Card opening attempts are granted upon reaching certain levels
   
• Open cards using Gold via [Collection] → [Ability Cards]
   
• Obtaining a card you already own increases its Star Level
   

※ Cards at the maximum Star Level will no longer appear.
※ Reaching certain opening milestones increases the Opening Tier, raising the chance of obtaining higher-rarity cards.