| Name | Great Builder’s Certificate |
| Rarity |  | |
| Description | Activate City Fund Benefits after obtaining. After activating City Fund Benefits, you can choose one of the following W-Engines: Radiowave Journey, Cannon Rotor, Six Shooter, Electro-Lip Gloss, Unfettered Game Ball, Spring Embrace. | |
| Description | Item_BPTreasureItem_story |
idk about Promeia synergy, but i plan to use her with Nangong Yu (or Vivian sometimes) and Yuzuha.