Grom can enter a Rage as a Bonus Action. While raging, he gains resistance to Bludgeoning, Piercing, and Slashing damage, advantage on Strength checks and Strength saving throws, and a bonus to melee damage with Strength-based attacks. His Rage damage bonus is +3. He can Rage five times per Long Rest and can maintain a Rage for up to 10 minutes if he continues fighting or otherwise demonstrates hostility toward a foe.

Grom enters a focused combat trance, gaining his Rage benefits and unleashing his controlled Wildheart fury.

Grom sacrifices the safety of caution for overwhelming force, striking with Advantage while exposing himself to counterattacks.

Grom uses a crushing blow to drive an enemy backward and reposition without provoking opportunity attacks.

Grom cripples an enemy's movement with a precisely placed, bone-rattling strike.

Grom refuses to fall, forcing his body to continue functioning through catastrophic injury.

Grom moves with predatory efficiency, using his Eagle aspect to cross difficult terrain and disengage without wasting motion.

While not wearing armor, Grom's Armor Class equals 10 + his Dexterity modifier + his Constitution modifier. His unarmored AC is 17 under the standard 2024 calculation, but his current listed AC is 13 because this character concept uses no armor and treats the requested unarmored baseline as 10 + Dexterity modifier. If standard Unarmored Defense is applied, use AC 17.

Grom has mastered the Push, Sap, and Topple weapon mastery properties, which he can use with appropriate weapons. His training allows him to apply these techniques even when practicing with improvised or nonlethal equipment at the DM's discretion.

Grom has Advantage on Dexterity saving throws against effects he can see, such as traps and spells. He does not gain this benefit while Blinded, Deafened, or Incapacitated.

Grom gains proficiency in one additional skill from the Barbarian skill list, chosen here as Survival. While raging, he can use Strength in place of the normal ability for an Acrobatics, Athletics, Intimidation, Perception, Stealth, or Survival check, subject to the normal limits of the check.

Grom can communicate simple ideas with Beasts and can understand them in return. He also gains a Wildheart feature, choosing the Bear aspect. While raging, the Bear aspect grants resistance to all damage types except Psychic, Force, and Radiant.

Grom increases one ability score by 2 or two ability scores by 1. His final ability scores already include this improvement.

Grom can attack twice instead of once whenever he takes the Attack action on his turn.

Grom's Speed increases by 10 feet while he is not wearing Heavy armor. His current Speed is 40 feet.

Grom gains an additional Wildheart aspect. He has chosen the Eagle aspect. While raging, he can take the Dash and Disengage actions as Bonus Actions, and he ignores the effects of Difficult Terrain.

Grom has Advantage on Initiative rolls. If he is surprised at the start of combat, he can act normally if he enters Rage before taking any other action on his first turn.

Immediately after entering Rage, Grom can move up to half his Speed without provoking Opportunity Attacks.

Grom increases one ability score by 2 or two ability scores by 1. His final ability scores already include this improvement.

Once per turn while raging, after making an attack roll with Advantage using Strength, Grom can forgo the Advantage to make one additional damage die of the attack and apply one Brutal Strike effect. He can choose Forceful Blow to push the target up to 15 feet and move up to half his Speed without provoking Opportunity Attacks, or Hamstring Blow to reduce the target's Speed by 15 feet until the start of his next turn.

Grom gains the Nature Speaker feature. He can cast Commune with Nature as a Ritual, without a spell slot, and can cast it while raging. Wisdom is his spellcasting ability for this spell.

Grom gains an additional Wildheart aspect. He has chosen the Wolf aspect. While raging, his allies have Advantage on melee attack rolls against creatures within 5 feet of him.

Grom increases one ability score by 2 or two ability scores by 1. His final ability scores already include this improvement.

Grom can use Improved Brutal Strike when he uses Brutal Strike. The extra damage increases, and he can apply two different Brutal Strike effects instead of one, subject to the feature's normal limitations.

Grom can identify the rank, insignia, and basic organization of military forces, and can secure basic aid, shelter, or information from members of organizations that recognize his military service. His Soldier background also grants the Savage Attacker Origin feat, proficiency with one gaming set, and proficiency with land vehicles.