Shapechanger. You can use an action to polymorph into a bear, or back to your true form. Whenever you shapeshift your Armor, weapons and equipment fall to the ground. This transformation lasts 1 minute. You have 2 transformations per long rest. It ends prematurely if you are knocked out or get to 0hp. When your transformation ends you gain 1 level of exhaustion due to the strain it causes on you mind and body. 

During a new moon you must make a DC 15 wisdom saving throw or transform into your bear form. While transformed the DM controls the character.

Keen Hearing and Smell. Gain Advantage on Perception checks that utilize hearing or smell.

Ability Score. While you are in your forms you gain stat increases in Strength and Constitution. You can choose to add +2 to one or +1 to both.

Multiattack. In bear form, the werebear makes two claw attacks. In humanoid form, it makes two greataxe attacks. In hybrid form, it can attack like a bear or a humanoid.

Bite (Bear or Hybrid Form Only). Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 15 (1d6) piercing damage. 

Claw (Bear or Hybrid Form Only). Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (1d8) slashing damage.

Greataxe (Humanoid or Hybrid Form Only). Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 10 (1d12 + 4) slashing damage.