The Heart of the Calamity

is a level 77 HWAoC: in.

Overview
HWAoC: is a HWAoC: in which the HWAoC: is given 25 minutes to defeat six NaN Enemies one by one. They are HWAoC:, HWAoC:, HWAoC:, HWAoC:, HWAoC:, and HWAoC:. They appear in that order, and only after the HWAoC: before them is defeated. When HWAoC: is defeated, the HWAoC: ends.

The HWAoC: can be cleared using any HWAoC:, and also without using any NaN Items. After completing the HWAoC: for the first time, the HWAoC: receives a reward of an HWAoC:, ten NaN Ancient Cores, two NaN Diamonds, 700 NaN Rupees, and a random HWAoC:.