| Name | Concentrated Cooling Fluid |
| Rarity |  | |
| Description | Increases a Bangboo’s level cap to 60. | |
| Description | Highly concentrated Bangboo coolant, containing inert Ether substances. It enables Bangboo to keep their core components cool even under high-power operation. |
idk about Promeia synergy, but i plan to use her with Nangong Yu (or Vivian sometimes) and Yuzuha.