Katalina Alize is a main character in the Granblue Fantasy series. Formerly a lieutenant in the Erste Empire, she becomes a loyal protector to the mysterious girl Lyria after helping her escape captivity. Intelligent, disciplined, and highly skilled with the sword, Katalina serves as both guardian and motherly figure to Lyria, while also joining the protagonist's crew on their journey. Her sense of duty and compassion make her a central and dependable ally throughout the story.