Jerry makes two greataxe attacks, often using Reckless Attack to gain advantage. If he scores a critical hit or drops a creature to 0 hit points, Great Weapon Master lets him make a bonus action attack.

Jerry enters a battle trance, gaining resistance to bludgeoning, piercing, and slashing damage, a +3 damage bonus with Strength-based melee attacks, and advantage on Strength checks and saves.

Jerry activates his sea aura, forcing one nearby creature to make a DC 16 Dexterity saving throw or take 1d6 lightning damage.

Jerry can enter a rage as a bonus action. He has five uses per long rest. While raging, he has advantage on Strength checks and Strength saving throws, gains a +3 bonus to melee weapon damage using Strength, and has resistance to bludgeoning, piercing, and slashing damage. He cannot concentrate on spells or cast spells while raging.

While raging, Jerry creates a 10-foot aura. When he enters rage, and as a bonus action on later turns, he can activate the sea effect. One creature of his choice in the aura must make a Dexterity saving throw against DC 16, taking 1d6 lightning damage on a failure, or half damage on a success. The aura's damage increases to 1d6 at this level and is unaffected by resistance to nonmagical damage.

When Jerry scores a critical hit or reduces a creature to 0 hit points with a melee attack, he can make one additional melee weapon attack as a bonus action. When using a heavy weapon, he can take a -5 penalty to the attack roll to gain +10 damage if the attack hits. On his turn, he can also make a melee weapon attack as a bonus action after attempting to score a critical hit or reducing a creature to 0 hit points with a melee weapon.

When struck by an attack, Jerry lashes back with a burst of storm energy. The attacker must make a DC 16 Dexterity saving throw or take 1d6 lightning damage and fall prone.

Jerry refuses to fall. When reduced to 0 hit points while raging, he can attempt a Constitution saving throw to remain at 1 hit point.

Jerry can make a powerful attack with a heavy weapon, taking -5 to hit for +10 damage if successful.

Jerry has advantage on Dexterity saving throws against effects he can see, such as traps and spells. He is not protected from effects that leave him blinded, deafened, incapacitated, or otherwise unable to see the source.

Jerry can attack recklessly. On his first attack of the turn, he may gain advantage on Strength-based melee weapon attack rolls, but attack rolls against him have advantage until his next turn.

Jerry chooses the Path of the Storm Herald and manifests a sea storm aura while raging.

Jerry gains one additional attack whenever he takes the Attack action on his turn.

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

Jerry gains resistance to lightning damage and can survive comfortably in naturally occurring extreme environments. He can also breathe underwater and gains a swimming speed equal to his walking speed.

Jerry gains an Ability Score Improvement. He increased his Strength by 2, bringing it to 20.

Jerry can reroll a failed saving throw against being charmed or frightened, using the new result. He must finish a short or long rest before using this feature again.

Once per turn, when Jerry scores a critical hit with a melee attack, he rolls two additional weapon damage dice.

While Jerry rages, each friendly creature in his storm aura gains resistance to lightning damage.

Jerry gains an Ability Score Improvement. He selected the Great Weapon Master feat.

When Jerry is reduced to 0 hit points while raging and does not die outright, he can make a DC 10 Constitution saving throw to drop to 1 hit point instead. Each use after the first before a long rest increases the DC by 5.

When Jerry uses Reckless Attack, he can ignore the disadvantage imposed on attack rolls against him until the start of his next turn, but only if he has not been incapacitated.

When a creature Jerry can see within his storm aura hits him with an attack, Jerry can use his reaction to force that creature to make a DC 16 Dexterity saving throw. On a failure, it takes 1d6 lightning damage and falls prone. On a success, it takes half damage and does not fall prone.

Jerry has an excellent memory for maps, terrain, weather, and natural landmarks. He can recall the general layout of terrain, settlements, and other features around him, and can find food and fresh water for himself and up to five other people each day, provided the land offers such resources.