Stratagem

StratagemRapier
Hands	One-handed
Damage	1d6 Piercing +2 enhancement
Critical	18-20 (x2)
Range	2 ft. Melee
Proficiency	Martial
Qualities	Enhancement +2 Agile Finesse Wielding
Flavor text
This rapier is forged using an unusual technique. Its blade moves along an unpredictable path and deals unforeseeable blows.
Effects
This weapon is an agile rapier +2. It allows its wielder to add their Dexterity bonus to damage rolls instead of Strength bonus (whichever is higher).
2 lbs.
Sell: 3750 Buy: 15000
[Show Blueprints]
RapierAgilePlus2 (ef3f1d36feb84e5429ba7c4c7350e524)
Enhancement2 (eb2faccc4c9487d43b3575d7e77ff3f5) Agile (a36ad92c51789b44fa8a1c5c116a1328)

Stratagem is a magic Rapier in Pathfinder: Kingmaker.

Source

Sold by Hassuf in Tuskdale.