Mysterious Arrivals

is a HWAoC: in.

Overview
HWAoC: is a HWAoC: in which the HWAoC: is given ten minutes to defeat a HWAoC: of each HWAoC:. The NaN Hollows of HWAoC:, HWAoC:, HWAoC:, and HWAoC: spawn first, and the HWAoC: of HWAoC: spawns after they are all defeated. Since both spawn at the same time, the HWAoC: can choose which one to approach first, although the other enemy will begin an assault on them soon afterwards. The HWAoC: can be cleared using any HWAoC:, and when completed for the first time, the HWAoC: receives a reward of an HWAoC:, five NaN Star Fragments, and a random HWAoC:.