Are the swords Alimir and Pitiril meant to be the same sword or tragic misnaming by the Non-men? Not sure if it was mentioned.
Alimir - "Divider" (Ihrimsu). The legendary enscrolled sword of the Kuniuric High-Kings, famed for possessing the Edge Peerless, and when wielded with skill, capable of halving mammoths. Lost at the Battle Eleneot with Anasurimbor Kelmomas in 2146.
Pitiril - Divider (Ihrimsu). Enscrolled blade belonging to the Ishroi Hero Oirinas, lost as the Battle of Pir-Minginnial.