Rundar can enter a rage as a bonus action. While raging, he has advantage on Strength checks and Strength saving throws, a bonus to melee weapon damage, resistance to bludgeoning, piercing, and slashing damage, and cannot cast or concentrate on spells. He can rage 6 times per long rest, and his rage bonus is +4 damage.

Rundar has advantage on Strength (Athletics) checks and can make an unarmed strike as a bonus action after attacking with a handaxe or other suitable weapon.

Rundar can make one additional attack as a bonus action while raging. If he does so, he suffers one level of exhaustion when the rage ends.

Rundar can use a bonus action to enter a rage even while frightened or charmed. If already frightened or charmed, the effect ends when he enters his rage.

When struck by a nearby enemy, Rundar immediately answers with a brutal axe blow.

Rundar gains proficiency with Strength and Constitution saving throws. He can also use a reaction to reroll a failed Strength or Constitution saving throw, but must use the new roll.

Rundar attacks twice with his paired handaxes, then makes two additional off-hand attacks through Frenzy and two-weapon fighting when raging.

Rundar attacks recklessly, gaining advantage on Strength-based melee attacks while granting advantage to attacks against him until his next turn.

Rundar lets out a war cry that can shake the courage of one creature within 30 feet.

Rundar refuses to fall, remaining standing at 1 hit point through sheer stubbornness.

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

Rundar can make one additional weapon attack when he takes the Attack action.

Rundar can make a DC 10 Constitution check to remain at 1 hit point instead of dropping to 0 hit points. The DC increases by 5 each time he uses this feature until he finishes a short or long rest.

Rundar can choose to gain advantage on a Strength check, Strength saving throw, or attack roll using Strength, but attacks against him have advantage until his next turn.

Rundar can frighten one creature within 30 feet that can see or hear him with a successful Charisma (Intimidation) check contested by the creature's Wisdom saving throw. A creature that succeeds is immune for 24 hours.

Rundar can make one additional attack when he takes the Attack action on his turn.

When a creature within 5 feet damages Rundar, he can use his reaction to make a melee weapon attack against that creature.

Rundar can make a second attack with his off-hand weapon when using two-weapon fighting, and he adds his ability modifier to the damage of that attack.

Rundar gains proficiency in Wisdom saving throws and increases his Wisdom by 1.

Rundar increases his Strength by 4 and Constitution by 4. His maximum for both scores becomes 24.

Rundar gains one additional weapon damage die when determining the extra damage from a critical hit.

Rundar gains a second additional weapon damage die when determining the extra damage from a critical hit.

Rundar gains a third additional weapon damage die when determining the extra damage from a critical hit.

Rundar increases his Strength by 4 and Constitution by 2 through his ability score improvements.

Rundar has an excellent memory for maps and geography, and can always find food and fresh water for himself and up to five other people each day, provided the land offers natural resources.