Musclebound Rager[]
@3rd: Armored in Muscle: You may add your STR mod to your HD for calculating your max at each further level (and retroactively) and while raging you may add your STR mod to your AC.
@6th: Enraged Athlete: While raging your bonus to Athletics skill checks is doubled, your jump distance is doubled, you gain (STRx5)' bonus movement speed and your Carrying Capacity is multiplied by 5.
@10th: Heaving Sinews: You multiply your STR bonus to damage on crits, double your STR mod on the damage of your attacks with Heavy weapons, the distance your physical throws or knockbacks against targets of equal or smaller size than you is doubled and the damage die you deal to enemies through forced falling and knockback is increased by one size. (normally 1d6 to 1d8).
@14th: Peak Physiology: You are treated as one size larger for wielding equipment and grapples, your carrying capacity is multiplied by 10, your jump distance is doubled again, you always take half damage from falling and knockback (after being calculated for dealing damage to enemies if used in a falling attacks, slowfall, or otherwise), you can add your STR mod to both DEX and CON saves and whenever you are Paralyzed you are instead Stunned.