- Kardia was renamed to Eidos.
- Kardia was added.
Kardia are the bonds the player forms with select characters within Honkai: Nexus Anima, which serve the function as obtainable and playable characters.
Each Kardia has an Offer Relic and Exclusive Principle, which provide buffs during Nexus Battles. The player can also control each Kardia in the overworld.
Template:Kardia by Category Table
| Language | Official Name |
|---|---|
| English | Kardia |
| Chinese (Simplified) | 心象 |
| Chinese (Traditional) | 心象 |
| Japanese | 鏡心 |
| Korean | 심상 |