Blazblue: Phase Shift 4 Chapter 2

Earlier that day, when the army broke through the seithr's encirclement and staged their retreat, neither the seithr creatures nor the Black Beast had pursued them far. Seeming to lose interest quickly, they had simply disappeared somewhere. Now he knew that that had been in preparation for this moment. The seithr had certainly been waiting until the time when the soldiers were supposed to be resting their bodies and nerves to come up from the ground again and attack them where they slept.