Ranger

Expertise (Primary)
Points into Expertise decrease the Energy cost by 4% of your attacks, Rituals, Touch Skills and Ranger Skills.

Beast Mastery
Beast Mastery improves your animal companion's basic attack damage, as well as skills that help to keep your companion from harm.

Marksmanship
Improving Marksmanship increases basic bow damage, and increases damage dealt by bow skills, it also affects the chance of a critical hit. It is the base attribute for most bow skills.

Wilderness Survival
Wilderness Survival improves defensive Stances, Preparations, and Traps, as well as some nature rituals.