Mysterious Arrivals

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