Perception +2, Stealth +4
Darkvision 60 ft
Common, (Can'T Speak In Rat Form)
Bludgeoning, Piercing, Slashing
Traits
Keen Smell
The Wererat has advantage on Wisdom (Perception) checks that rely on smell.
Actions
Shapechanger
The Wererat can use its action to polymorph into a rat-humanoid hybrid or into a giant rat, or back into its true form, which is humanoid. Its statistics, other than its size, 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.
Multiattack (Humanoid or Hybrid Form Only)
The Wererat makes two attacks, only one of which can be a bite.
Bite (Rat or Hybrid Form Only)
+2 to hit, range 5 ft. Hit: 2 (1d4) piercing damage. If the target is a humanoid, it must succeed on a saving throw or be cursed with wererat lycanthropy.
Hand Crossbow (Humanoid or Hybrid Form Only)
+4 to hit, range 30 ft. Hit: 5 (1d6 + 2) piercing damage.
Shortsword (Humanoid or Hybrid Form Only)
+2 to hit, range 5 ft. Hit: 3 (1d6) piercing damage.