The Long Sword 'Anguirel' (2d5) (+8,+12)
It increases your strength and constitution by 2. It increases your speed by 2. It slays all evil creatures, and it is especially deadly against demons. It is branded with poison. It provides resistance to lightning, light, and dark. It lights the dungeon around you. It grants you immunity to paralysis and the ability to see invisible things, but it also aggravates creatures around you. It cannot be harmed by the elements. It gives you one attack per turn.
Level 20, Rarity 30, 13.0 lbs, 40000 AU

(NPPangband 0.5.0-WIP8a)