Mount&Blade/Attributes

There are four attributes. Each has its own specific purposes, so you'll probably want to advance all of them to fully develop your character. Except at creation you only gain one point per level to distribute.

Strength
Two points to Strength increase HP by 1. Unlike many other games it does not seem to increase attack damage.

The following skills cannot be developed beyond ⅓ of Strength: Ironflesh, Power Strike, Power Throw, Power Draw.

Agility
Each point to Agility speeds up a character's attacks by 0.5% and adds 5 weapon proficiency points.

The following skills cannot be developed beyond ⅓ of Agility attribute: Weapon Master, Shield, Athletics, Riding, Horse Archery.

Intelligence
Putting a point into Intelligence automatically grants an additional skill point.

The following skills cannot be developed beyond ⅓ of Intelligence: Trainer, Tracking, Tactics, Pathfinding, Spotting, Inventory Management, Wound Treatment, Surgery, First Aid.

Charisma
Each point towards Charisma allows an additional "follower" hero.

The following skills cannot be developed beyond ⅓ of Charisma attribute: Prisoner Management, Leadership, Trade.