Light of Foliar Incision is a 5 star Sword obtained from Weapon Event Wishes in Genshin Impact 3.4. It mostly appears along with Alhaitham’s banner.
Whitemoon Bristle
CRIT Rate is increased by 4/5/6/7/8%. When Normal Attacks deal Elemental DMG, the Foliar Incision effect will be obtained, increasing DMG dealt by Normal Attacks and Elemental Skills by 120/150/180/210/240% of Elemental Mastery. This effect will disappear after 28 DMG instances or 12s. You can obtain Foliar Incision once every 12s.