Collei is a Dendro element character, officially released on August 24, 2022 during the game's 51th character release. Originating from the region of Sumeru, she carries cultural and narrative influences from this place, which directly contribute to she personality and role within the story. In combat, Collei uses a Bow-type weapon, combined with a Girl body model — factors that influence both fighting style and the character's movement animations and dynamics. With a 4-star rarity, she main attribute is % ATK, which is essential for performance in advanced team compositions. Among she base stats, the character has 821 HP, 17 ATK, and 50 DEF — key values for assessing their potential from the early levels all the way to the endgame. Collei's birthday is celebrated on May 8, a fun detail often appreciated by the community. Beyond the technical aspects, the character also features a rich and engaging backstory: "A trainee ranger active in Avidya Forest. Behind her enthusiastic words and actions hides a slightly introverted personality.".