The Dagger 'Nimthanc' (E:10, L:1) (1d4) (+4,+6)
It's the standard weapon of rogues and thieves. The blade is a foot long.
A frosty dagger finely balanced for deadly throws.
It is one of the 3 legendary daggers.
It is sentient. It can be activated for frost bolt (6d8) every 7+d7
turns if it is being worn. It does extra damage from frost. It
provides resistance to cold. It cannot be harmed by acid, cold,
lightning or fire.
Level 3, Rarity 100, 1.2 lbs, 11000 Gold

(T.o.M.E. 2.3.5)