Loithar withdraws into his shell, gaining +4 AC, advantage on Strength and Constitution saving throws, resistance to all damage, and the prone condition. He can emerge as a bonus action.

Loithar can enter a battle rage as a bonus action. He can rage six times per long rest. While raging, he gains advantage on Strength checks and Strength saving throws, a +4 bonus to melee weapon damage using Strength, and resistance to bludgeoning, piercing, and slashing damage. His rage lasts for 1 minute, ending early if he is incapacitated or fails to attack or take damage on his turn.

Loithar has advantage on initiative rolls. Additionally, if he is surprised at the start of combat and is not incapacitated, he can act normally on his first turn by entering his rage as a bonus action.

Loithar enters a primal rage, gaining resistance to bludgeoning, piercing, and slashing damage, advantage on Strength checks and saving throws, and bonus damage with Strength-based melee attacks.

Loithar attacks twice with his greataxe, using Reckless Attack when overwhelming force is needed.

Loithar unleashes divine fury through a weapon strike, dealing an extra 1d6 + 10 radiant damage once per turn while raging.

Loithar calls upon his allies' courage, granting up to ten nearby creatures advantage on attack rolls and saving throws until the start of his next turn.

Loithar continues fighting while at 0 hit points during his rage, remaining conscious until the rage ends unless he dies from failed death saves.

Loithar gains advantage on Strength (Athletics) checks made to grapple, shove, climb, jump, or otherwise perform feats of physical might.

Loithar can make a reckless attack on his first attack of a turn, gaining advantage on Strength-based melee weapon attack rolls for that turn, but attack rolls against him have advantage until his next turn.

Loithar gains a +4 bonus to initiative rolls.

Loithar can make one additional attack whenever he takes the Attack action on his turn.

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

Loithar gains proficiency in Constitution saving throws. If he already had this proficiency, he may instead choose another barbarian skill proficiency.

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

If Loithar's total for a Strength check is less than his Strength score, he can use his Strength score instead.

Loithar's Strength and Constitution scores each increase by 4, to a maximum of 24.

Loithar's soul is marked for eternal battle. Spells such as raise dead require no material components when used to restore him to life, though the caster must still provide any other requirements.

When raging, if Loithar fails a saving throw, he can reroll it and must use the new result. He can use this feature once per rage.

Loithar has spent years in secluded contemplation and has uncovered a profound discovery concerning the nature of the world, evil, or the forces that shape destiny. He can usually find shelter and basic food in the wilderness, and fellow hermits or secluded communities recognize the signs of his life of isolation.