Lan Yan is a 4-star Anemo Catalyst character in Genshin Impact, coming from Chenyu Vale. She is special because she is the first Anemo character with a shield, making her a very solid support option. With both protection and crowd control, Lan Yan can fit into many different team comps.
Strong shield that protects teammates.
Skill can group enemies together for easy combos.
Great support for Swirl reactions, boosting team damage.
Flexible role: can be played as a support or sub-DPS.
Personal damage is not very high.
Shield uptime and cooldown may not always match perfectly.
Starcaller’s Watch – Best overall, gives Elemental Mastery and boosts team damage.
Sacrificial Fragments – Great for resetting her Elemental Skill and increasing EM.
Favonius Codex – Provides Energy Recharge for smooth rotations.
Read more: https://genshin.guide/genshin-impact/characters/lan-yan