pf2e.fyi
From Pathfinder Lost Omens Tian Xia Character Guide, which isn't enabled.

Five-Breath Vanguard Dedication

FEAT 6
UNCOMMONARCHETYPEDEDICATION
Archetype Five-Breath Vanguard
Prerequisites Two of the five elemental stances (Ironblood Stance, Mountain Stance, Reflective Ripple Stance, Stoked Flame Stance, and Tangled Forest Stance)
Access Tian Xia origin or exposure to Tian elementalism

You flow like the elemental cycle, adapting your stance and techniques constantly in response to whatever circumstances you face. You gain the Cycle Elemental Stance action.

Five-Breath Vanguard

Pathfinder Lost Omens Tian Xia Character GuideORC