Homebrew
Spellcasting (Spirit Seeker). Bigstick can cast the following spells, but only as rituals:
Aspect of the Beast. Bigstick has advantage on Strength checks made to push, pull, lift, or break objects. Brutal Critical. Bigstick rolls one additional weapon damage die when determining the extra damage for a critical hit with a melee attack. Feral Instinct. Bigstick has advantage on initiative rolls. Grappler. Bigstick has advantage on attack rolls against a creature he is grappling. Insanity. Bigstick has disadvantage on saving throws against effects that cause confusion, insanity, or madness. Reckless. At the start of his turn, Bigstick can gain advantage on all melee weapon attack rolls during that turn, but all attack rolls against him have advantage until the start of his next turn. Relentless Endurance (1/day). When Bigstick is reduced to 0 hit points but not killed outright, Bigstick can drop to 1 hit point instead.
Multiattack. Bigstick makes two attacks. If he has a handaxe drawn, he can also make a handaxe attack. Vicious Warhammer. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (1d8 + 7) bludgeoning damage, or 12 (1d10 + 7) bludgeoning damage if used with two hands. If Bigstick rolls a 20 on his attack roll, the target takes an extra 7 bludgeoning damage. Handaxe. Melee or Ranged Weapon Attack: +7 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 6 (1d6 + 3) slashing damage. Unarmed Strike. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (1d4 + 7) bludgeoning damage, and Bigstick can use a bonus action to attempt to grapple the target (escape DC 25). Pin. Melee Weapon Attack: +10 to hit, reach 5 ft., a creature that is grappled by Bigstick. Hit: Bigstick and the target are both restrained until the grapple ends.
Adrenaline Rush (3/day). Bigstick can take the Dash action as a bonus action. Whenever Bigstick uses this trait, Bigstick gains 3 temporary hit points. Rage (4/day). For one minute, Bigstick gains advantage on Strength checks and Strength saving throws, deals an extra 3 damage on weapon attacks (included in the attack), and has resistance to all damage except psychic damage.