At 9th barbarian level, your rage bonuses are increased by 1, and rage lasts 1d4 rounds longer.
At 9th barbarian level, choose two:
Battle fury - When you use battle dice to deal damage, gain a bonus to a roll, or for a similar ability, you gain a further 1d4 bonus to the result. Any ability or effect with a duration that is applied or created by spending a battle dice has its duration increased by 2 units(rounds, minutes.)
Bloodshot - While under the effects of rage, you cannot fall unconscious or be compelled. You do not exit rage when reaching 0 HP. Failing a save vs a compulsion or sleep effect instead reduces the duration of rage by 1. Your rage lasts 1 round longer.
Carnage - You deal double damage(an extra instance) to structures, constructs, and golem creatures.
Indomitable rage - Choose a damage type. You gain resistance to it while under the effects of rage. Can be taken multiple types.
Incensate rage - Choose a damage type from phyiscal, fire, lightning, or sonic. While under the effects of rage, you deal 1d6 extra damage of the chosen type with all your attacks and damage dealing abilities. Can be taken multiple times, increasing damage by 1d6.
Lethal rage - While under the effects of rage, your weapons have their critical strike range increased by 1.
At 10th barbarian level, you gain a +1 bonus to saves while under the effects of rage, and your rage bonuses are further increased by 1.
At 11th barbarian level, choose one:
Leaping fury - You gain a +30 bonus to jump distance and movement speed while under the effects of rage.
Eternal brawl - +10 max HP. You gain +2 temporary block when entering rage.
Fueled by rage - You heal 3d10 health when entering rage. You ignore charm effects from failed saves while under the effects of rage, and instead reduce the duration of rage by 1.
Hatred III - Your rage bonuses are further increased by 1, and the duration of rage by 1.
At 12th barbarian level, you can enter rage by spending a battle dice, or by sacrificing 1d4 points of HP.
At 12 the barbarian level, while raging, you can negate any condition or effect bestowed from a failed save by spending 4 rounds of rage as a bonus action or reaction.