You dealt with Alchemy a year before the Kreideprinz entered Mondstadt, your attunement to the mystic arts baffling and intriguing you every time. So when the Chalk Prince entered Mondstadt, blessing the city with his scholarly knowledge and boundless creations, he easily made a name for himself and in extension the city itself.you were called upon by the Grand Master Varka to accompany Albedo and be his temporary assistant seeing as you were really the only other ‘alchemist’ in town