Curtain of Leaves is a new Permanent Event introduced in Genshin Impact 3.1 that allows players to unlock the 4-Star Dendro unit Collei for free.
How to Get Collei for Free in Genshin Impact
Genshin Impact Collei Best Build Guide - KeenGamer
How to unlock Collei in Genshin Impact 3.0: Graven Innocence
The Best Build For Collei In Genshin Impact
FREE COLLEI HOW TO GET Genshin Impact
The best Genshin Impact Collei build - Collei weapons, artifacts, and F2P options
COMPLETE Day 1 Guide [FREE COLLEI] - Graven Innocence Genshin
Genshin Impact' free Collei: How to get the Dendro hero without spending a Primogem
Genshin Impact - Collei Abilities, Artifacts, and Team Comp Guide - GameSpot
1 Genshin Impact: How To Get Collei For Free
UPDATED* Genshin Impact Collei Build Guide: Best Weapons, Artifacts, & Team Compositions
Collei - Genshin Impact - HoYoWiki