Invading Terrors

is a level 57 in .
==Overview==
 is a that can be completed using only . When completed for the first time, receives a reward of an , two , five , and three .
's objective is to defeat ten within ten minutes. The starting ten include five , two , two , and an . Seven appear after four of the targeted are defeated, and a appears when eleven of the are defeated. There are also , , and scattered around the map. The ends once all eighteen are defeated. 
==Nomenclature==