From Pathfinder Lost Omens Tian Xia Character Guide, which isn't enabled.

Tangle of Limbs

FEAT 1

Prerequisites dokkaebi goblin heritage or Tian Xia origin

Dokkaebi have a strong tradition of wrestling. You become trained in Athletics, and you gain the Titan Wrestler feat. If you would automatically become trained in Athletics (from your background or class, for example), you instead become trained in a skill of your choice.

Pathfinder Lost Omens Tian Xia Character GuideORC