Powerful Source

Prerequisites: Strength or Charisma 13 or higher

Your might almost entirely fuels your chakra, unbalancing its physical energy to spiritual energy balance, but nevertheless filling your body with a sea of chakra. You gain the following benefits:

Your Strength or Constitution score increases by +1.
While not wearing armor or wielding a shield, your AC equals 10 + your Strength modifier + your Proficiency bonus. You may spend 2 chakra as a free action to benefit from either a shield in addition to these benefits until the end of your next turn.
Your chakra counts as "heavy" chakra.