Yelan - GI Database
There's still time to get yelan! Here, have a lill schedule for her : r/Genshin_Impact
Yelan Farming Guide: Best ways to farm Yelan level up, talent, and ascension materials in Genshin Impact - Dot Esports
Genshin Yelan Ascension Materials - Genshin Impact Guide - IGN
Yelan's Ascension Materials [Character and Talents]
Yelan's Character Ascension Materials, Resources, and Talent Books Guide- DigitsGuide
Yelan Genshin Impact Version 4.2
Genshin Impact' Yelan materials: 7 key items to farm for the Hydro archer
Genshin Impact' Kuki materials: 7 items to farm…
Yelan Farming Guide: Best ways to farm Yelan level up, talent, and ascension materials in Genshin Impact - Dot Esports
Genshin Impact - Ascension Materials Farming Route