Whenever a guest walks into the Cat's Tail, they will immediately glance in the direction of the bar.

Behind it often stands a girl with mildly-twitching cat ears, cocktail shaker in hand, and an unhappy look on her face.

This is the mixologist Diona, ascendant star of Mondstadt's wine industry, and the greatest challenger to its traditional powerhouses.

However, she does not make these wonderful cocktails on purpose — indeed, quite the opposite.