Hagraven Feathers

Where to find

 * Arch-Mages Quarters at The College of Winterhold.
 * Can be looted from Hagravens.
 * In the shack at Witchmist Grove there are about 5 feathers on the floor.
 * On a table in Jorrvaskr Living Quarters.

Damage Magicka

 * Butterfly Wing
 * Chaurus Eggs
 * Daedra Heart
 * Eye of Sabre Cat
 * Glow Dust
 * Hanging Moss
 * Human Heart *
 * Jarrin Root
 * Luna Moth Wing
 * Namira's Rot
 * Nordic Barnacle

Fortify Conjuration

 * Blue Butterfly Wing
 * Blue Mountain Flower
 * Bone Meal
 * Frost Salts
 * Lavender

Frenzy

 * Blisterwort
 * Falmer Ear
 * Fly Amanita
 * Human Heart *
 * Troll Fat

Weakness to Shock
* multiple effects
 * Bee
 * Giant Lichen
 * Void Salts

Перья ворожеи (Skyrim)