Weapon Training
From FullPlate
Weapon Training[Type]
Interaction - Same, Different
Effects - Character gains a +1 To-Hit bonus when using weapons of the listed type. If a character has multiple Weapon Trainings of the same Type, these stack - a Halfling with Weapon Training [Sling] gets a +1 to Hit with Slings. If they then wear Bracers of the Lucky Bullet, a pair of bracers with Weapon Training [Sling], this becomes Weapon Training II [Sling], meaning they gain a +2 to Hit with slings.
Description -