You study a combat style consisting of fluid, circular motions suited for moving and fighting underwater.
Benefit(s): Your unarmed strikes deal normal damage underwater, and you don’t take penalties on attack rolls with unarmed strikes made underwater. You add your Wisdom modifier in addition to your Strength modifier on Swim checks.
Normal: Attacks with bludgeoning weapons (such as unarmed strikes) deal half damage and take a –2 penalty on attack rolls underwater.
Pathfinder Adventure Path #124: City in the Deep © 2017, Paizo Inc.; Authors: Amber E. Scott, with Alex Greenshields, Mikko Kallio, Mark Moreland, Tim Nightengale, and Kalervo Oikarinen.