Coolest/Favorite item Found So Far

Just as the topic says, don't put where you found it though, some of us like surprises. Created items do not count.

Mine would be Krosis, which gives you a 20% boost to Lockpicking, Archery, and Alchemy. Fits my character so well.

or

Dawnbreaker, a sword that burns enemy for 10 point, and when killing undead, a chance to cause a fiery explosion that turns or destroys nearby undead.