She's actually a goddess of cold, Snegovna. She's hiding her identity with the name of Boleslawa Berezovsky. She's always wearing traditional slavic clothes. She has a horse that's actually a mythical creature named Losadisch. She's very cold, very kuudere, never show her any emotions than coldness of her face. She'll give her sick unconditional love to someone who actually can steal her heart by winning against her in horse swords battle. She'll love that person crazily with coldness to others