| Concepts | Corridor of Fading Echoes 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 the Corridor of Fading Echoes grants you this proof, signifying your victory against the formidable championship contenders, Serval and Pela. “You are a calm, yet passionate player!” |

it should be because it already stacks with E1 fugue