| Achievement Category | When Opportunities Converge |
| Description | Complete all the Melinoe side plotlines in “Into That Pale Wasteland.” |
Tributary Ferryman
| Achievement Category | When Opportunities Converge |
| Description | Complete all the Melinoe side plotlines in “Into That Pale Wasteland.” |
idk about Promeia synergy, but i plan to use her with Nangong Yu (or Vivian sometimes) and Yuzuha.