Unbeknownst to alchemists, using weapons and armor as alchemical ingredients can produce powerful potions. You can use a glass claymore to brew a potion of greater bleeding.

Joke and fake loading screens and screenshots from The Elder Scrolls IV: Oblivion, run by @ChrisOfTheDead.
General links and the actual Oblivion mod made from these jokes in my Carrd page:
Unbeknownst to alchemists, using weapons and armor as alchemical ingredients can produce powerful potions. You can use a glass claymore to brew a potion of greater bleeding.