The time has come for the Ethalian coalition to attack the Issan power installations, and the Issan are ready for them. Cooperation between coalition members is strained and their preparations are put to the test.

While the Ethalian coalition forces from across the galaxy engage in a massive multi-location coordinated assault against the Issan power installations, L'Ni and Nya immerse themselves in the shard given up by Crystal Keeper Mirani. Through the memories of the shard, they dive into the past on a journey to learn the secrets they hope will ultimately defeat the Issan, but nothing can prepare them for a revelation far more devastating than anyone can imagine…