Mastos' Aether Key is a level 42 Heroic item in the Keyblade category of AION Retail 7.8.
Similar items
| Item | Grade | Level |
|---|---|---|
| Aether Key of the Ruins | Common | 42 |
| Aether Key of the Blood Trail | Superior | 42 |
| Aether Key of the Elite Guard | Heroic | 42 |
| Sun-Steeped Aether Key | Fabled | 41 |
| Tahabata's Aether Key | Eternal | 50 |
| Dragon Lord's Yearning | Mythic | 60 |