Blue Mountain
All Missile Weapons
The character gains proficiency with all missile weapons. Strike chance bonus is 4% per level with this skill (plus DEX bonus, plus base strike chance for the weapon).

Missile Weapons include:
Sling
Short Bow
Long Bow
Composite Bow
Giant Bow
Hand Crossbow
Light Crossbow
Heavy Crossbow
Spear Thrower
Blowgun
Ballista