Homebrew
Perception +6, Stealth +6
Darkvision 60ft., Passive Perception 16
The Thornshadow Wolf has advantage on an attack roll against a creature if at least on of the wolf's allies is within 5ft. of the creature and the ally isn't incapacitated.
If the Thornshadow Wolf moves at least 20ft. straight towards a creature and hits it with a bite attack on the same turn, the target must succeed a DC 13 strength save or be knocked prone.
If the target is prone, the wolf may make one claw attack as a bonus action.
A creature that hits the wolf with a melee attack while within 5ft. takes 5 (1d10) piercing damage.
While in dim light or darkness, the Thornshadow Wolf has advantage on Dexterity (Stealth) checks, and opportunity attacks against it are made at disadvantage.
Gloaming Bite
Melee Weapon Attack +5 to hit, Reach 5ft., One target
Hit: 10 (2d6 + 3) Piercing + 3 (1d6) Necrotic
If the target is a creature, it must succeed on a DC 13 Con save or take 7 (2d6) Necrotic damage at the start of its next turn as shadowed thorns burrow beneath its skin.
Claws
Melee Weapon Attack +5 to hit, Reach 5ft., One target
Hit: 8 (2d4 + 3) Slashing + 3 (1d6) Necrotic.
Shadow Slip
The Thornshadow Wolf moves up to 10ft. without provoking opportunity attacks.
Harriers Bite
If the Thornshadow Wolf has made a successful bite attack this turn they may impose a DC 13 Strength save against the same target to drag them prone and restrain them as a bonus action.
A twisted mockery of a wolf, made up of corrupted vines and shadows they prowl the darkened woodland realms