When raging, Riola can enter a frenzy. For the duration, he can make a single melee weapon attack as a bonus action on each of his turns after entering the rage. When the rage ends, he suffers one level of exhaustion.

Riola makes a reaction attack against a creature within 5 feet that damages him.

Riola enters a supernatural battle frenzy, gaining his rage benefits and becoming resistant to mundane weapon damage.

Riola attacks with reckless force, gaining advantage on melee weapon attack rolls using Strength during the turn, while granting attackers advantage against him until his next turn.

Riola makes a bonus-action greataxe attack while frenzied.

Riola makes a melee attack against every creature within 5 feet, rolling separately for each target.

Riola can refuse to fall, making a Constitution saving throw to remain at 1 hit point while raging.

Riola can attempt to escape restraints or avoid being grappled using his nimble goblin reflexes.

Riola deals extra damage to a creature larger than him once per turn.

While raging, Riola has advantage on Strength checks and Strength saving throws, a bonus to melee weapon damage rolls, and resistance to bludgeoning, piercing, and slashing damage. He can rage 6 times per long rest, and his rage bonus is +4.

While not wearing armor, Riola's AC equals 10 + his Dexterity modifier + his Constitution modifier.

Riola has advantage on Dexterity saving throws against effects he can see, such as traps and spells.

Riola chooses the Path of the Berserker and gains Frenzy.

Riola has advantage on saving throws against being frightened. If frightened when he enters a rage, the effect is suspended for the duration of the rage.

Riola gains an additional use of Rage and can no longer be surprised while conscious.

Riola's speed increases by 10 feet while he is not wearing heavy armor.

Riola can reroll a failed saving throw while raging, but must accept the new result. He can use this feature once per rage.

Riola has advantage on initiative rolls. If surprised at the start of combat, he can act normally if he enters a rage before doing anything else.

Riola gains proficiency in one additional skill from the barbarian skill list, chosen as Survival.

Riola gains another use of Rage and his rage damage bonus increases to +4.

Riola gains another Ability Score Improvement.

Riola gains another Ability Score Improvement.

Riola gains +4 to Strength and Constitution, increasing both maximum scores to 24. He also gains proficiency in Survival from his primal path choice.

Riola knows the secret paths through cities and can find routes through urban environments twice as quickly as others. He can also find food and simple shelter for himself and his companions in a city, unless directly forbidden by local conditions.