 | Concepts | Herta Space Station Mastery Mark |
| Rarity |  | |
| Story | In the game Aetherium Wars, the proof of passing the Victory Zone test can be obtained by collecting four Mastery Marks, which qualifies you to participate in the championship. The Victory Zone of Herta Space Station grants you this proof, signifying your victory against the formidable championship contender, Herta. "You are an intelligent player!" |
Less SP intensive Bronya, and hope you like one of the summon characters in the future