Keep a Cool Head

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Overview
"HWAoC:" is a HWAoC: for improving NaN Sheikah Runes, and it appears after the "HWAoC:" HWAoC: has been completed. The room for researching the HWAoC: has become hot and stuffy, and the researchers need cooling NaN Materials to deal with it. Using NaN White Chuchu Jellies, the researchers are able to cool down, allowing to create an upgrade for HWAoC:. As a result, the time between uses of HWAoC: will decrease.

Finishing "HWAoC:" is necessary in order to complete "HWAoC:" HWAoC:.