When characters trigger the effect of [Glacial Wings] via normal or charged attacks, the number of active [Glacial Wings] will not be reduced.
 전혀 상관없는거아님?

When normal attacks, charged attacks, plunge attacks, elemental skills or bursts deal cryo DMG to enemies, DMG is increased based on Shenhe's ATK at the time.

The effects of [Glacial wings] will persist for a certain duration or for a certain number of activations. Compared to tap activation, hold activation will have...

The above is clearly incomplete 
지속시간이 15초인데 횟수는 전혀 상관없는듯 ㅇㅇ;