Medium or Small Monstrosity (Lycanthrope), Lawful Evil
Armor Class 13 Initiative +3 (13) Hit Points 60 (11d8 + 11) Speed 30 ft., Climb 30 ft.
Saving Throws Str +0, Dex +3, Con +1, Int +0, Wis +0, Cha −1
Skills Perception +4, Stealth +5
Gear Hand Crossbow
Senses Darkvision 60 ft.; Passive Perception 14
Languages Common (can't speak in rat form)
Challenge Rating 2
The wererat makes two attacks, using Scratch or Hand Crossbow in any combination. It can replace one attack with a Bite attack.
Melee Attack Roll: +5, reach 5 ft. Hit: 8 (2d4 + 3) Piercing damage. If the target is a Humanoid, it is subjected to the following effect. Constitution Saving Throw: DC 11. Failure: The target is cursed. If the cursed target drops to 0 Hit Points, it instead becomes a Wererat under the GM's control and has 10 Hit Points. Success: The target is immune to this wererat's curse for 24 hours.
Melee Attack Roll: +5, reach 5 ft. Hit: 6 (1d6 + 3) Slashing damage.
Ranged Attack Roll: +5, range 30/120 ft. Hit: 6 (1d6 + 3) Piercing damage.
The wererat shape-shifts into a Medium rat-humanoid hybrid or a Small rat, or it returns to its true humanoid form. Its game statistics, other than its size, are the same in each form. Any equipment it is wearing or carrying isn't transformed.