Miniature Garden of Illusory Snow

Snow Magic: Miniature Garden of Illusory Snow (雪魔法『幻雪の箱庭』) is a Snow Magic spell.

Description
With an open grimoire, the user fills an enclosed space with enchanted snow. Those who come into contact with the snow are forced to fall asleep.

The enchantment can be resisted with Mana Skin.