Swords are cool. If you wield a sword you're automatically cool, and if you wield two swords you're double-cool, which is better than just being cool.
It'd make a sort of mathematical sense that wielding three swords would make you triple-cool, but in practice it doesn't work that way. You just look like you're trying too hard.
Nyn is one of three playable characters in Magicians and Looters. She wears lots of armor, shoots fire out of her hands, and drinks herbal tea every morning because she once read in a magazine that it's supposed to be good for her.
Nobody knows how to pronounce her name.