The Rapier is a one-handed melee weapon in New World. The Rapier is a weapon which is most optimized for fast attacks and evasion. With that said, Rapiers don’t usually do a lot of damage, but they’re great for speedy builds.
The first skill tree is the Blood skill tree, and it is mostly for damage, and abilities that cause Bleed or similar effects. The second skill tree is Grace, and it is primarily for mobility.
Rapiers are influenced mainly from Intelligence, but more importantly, Dexterity.