Yeenoghu's followers form packs of cannibalistic marauders. They grow more like gnolls in temperament with each passing day. His most devoted followers gain the Gnashing Jaws action option and the Rampage trait, while cult leaders gain the Aura of Bloodthirst trait.
Gnashing Jaws
Melee Weapon Attack: bonus to hit equal to this creature's proficiency bonus plus its Strength modifier, reach 5 ft., one target. Hit: 1d4 + this creature's Strength modifier piercing damage.
Rampage
When this creature reduces a creature to 0 hit points with a melee attack on its turn, it can take a bonus action to move up to half its speed and make its Gnashing Jaws attack once.
Aura of Bloodthirst
If this creature isn't incapacitated, any creature with the Rampage trait can make its Gnashing Jaws attack as a bonus action while within 10 feet of this creature.