The Rapier 'Forasgil' (1d6) (+12,+19)
The rapier's hilt consisted of a pair of oval guards pierced with holes,
recurved quillions, and a knuckle guard. The guard is very intricate and
very effective as protection.
A slender, tapered blade whose wielder strikes icy blows with deadly
accuracy.
It does extra damage from frost. It is especially deadly against
natural creatures. It provides resistance to cold and light. It
cannot be harmed by acid, cold, lightning or fire.
Level 15, Rarity 8, 4.0 lbs, 15000 Gold

(T.o.M.E. 2.3.5)