Patchouli Knowledge

Patchouli Knowledge is a magician and resident librarian of the Scarlet Devil Mansion in the Touhou Project.

Patchouli Knowledge's magical role in Touhou Project

She studies elemental magic and controls seven elements linked to days of the week, using complex spell combinations in danmaku combat.

Patchouli Knowledge's defining relationships and loyalties

Highly intelligent but physically frail because of asthma and poor health, Patchouli prefers books and research to social activity and is a close friend of Remilia Scarlet.