Lux is the youngest in noble family Crownguard, born with magical abilities she keeps hidden for fear of being executed or exiled from Demacia, idolizing her brother Garen but opposing his ways. She was quite a rebellious girl who wanted to explore the world and what was outside the walls, presenting an energetic and optimistic disposition that drops whenever her powers are mentioned. She wishes for her nation to stop hating magicians, founding her own mage's refuge after fleeing Demacia.