An Artist

An Artist is a in Xenoblade Chronicles 3.

Result
"Seeing his painting praised by the City, Stefaan regained his confidence. If you're ever in need of some G, try selling one of his paintings in the City."

Unique Dialogue
When speaking to Stefaan about a potential model for his painting, each non-DLC Heroes will have a unique conversation with Stefaan where he will determine if they fit his vision (Fiona is the correct hero to complete the quest):

Ethel

Valdi

Zeon

Teach

Riku & Manana

Gray

Isurd

Juniper

Ashera

Alexandria

Monica

Triton

Ghondor

Miyabi

Cammuravi

Segiri

Nia

Melia