Mystical frost water

Along the way through a public grotto-heaven, mystical frost water is named among small to mid sized resource points with plentiful storage, together with ice mirror snow lotus, hundred years profound ice, thousand years profound ice, and heaven craft divine jade. ^{ch. 1638}

The same list of resource points, including mystical frost water, appears again when the grotto-heaven is described as opening only once a hundred years and thus accumulating many resources in closely packed small and mid sized points. ^{ch. 1815}