| Name | W-Engine Power Supply |
| Rarity |  | |
| Description | Provides 600 EXP for a W-Engine. | |
| Description | A high-performance power supply capable of converting power. It can adapt to various W-Engine models and provide an accurate power supply based on real-time power consumption. |
idk about Promeia synergy, but i plan to use her with Nangong Yu (or Vivian sometimes) and Yuzuha.