'''Rune sword''' is a magical [[Large swords|sword]] that starts very weak but has no limit on the amount of enchanting it can receive - if where for normal weapons enchanting is guaranteed to succeed up to +5 and beyond that it becomes less likely to work the higher it should be enchanted, rune swords can always be successfully enchanted. If you can find 20 [[Scrolls|scrolls of enchant weapon]], you can enchant it up to +20, giving it unrivaled power.