Werebear

Medium humanoid (human, shapechanger), neutral good

Armor Class 10 (in humanoid form, 11 in bear and hybrid forms)

Hit Points 135 ( 18d8+54 )

Speed 30ft Climb: 30ft

STR

19 +4

DEX

10 0

CON

17 +3

INT

11 0

WIS

12 +1

CHA

12 +1

Skills Perception +7

Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks that aren't silvered

Senses passive Perception 17

Languages Common (can't speak in bear form)

Challenge 5

Keen Smell. The werebear has advantage on Wisdom (Perception) checks that rely on smell.
Shapechanger. The werebear can use its action to polymorph into a Large bear-humanoid hybrid or into a Large bear, or back into its true form, which is humanoid. Its statistics, other than its size and AC, are the same in each form. Any equipment it. is wearing or carrying isn't transformed. It reverts to its true form if it dies.

Actions

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 ( 2d10+4 ) piercing damage. If the target is a humanoid, it must succeed on a DC 14 Constitution saving throw or be cursed with were bear lycanthropy.
Claw (Bear or Hybrid Form Only). Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 ( 2d8+4 ) 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.