What is madness ore used for in skyrim?

Madness ore is a rare mineral found in the Shivering Isles expansion of Skyrim. It can be used to craft items in the madness set, including armor, weapons, and arrows. The armor offers decent protection and has a unique appearance, resembling twisted metal and bone. The weapons and arrows are powerful and have an enchantment that causes additional damage to enemy targets. Additionally, madness ore can be sold to merchants for a high price, making it a valuable commodity for players to collect.