Beast of Burden. The mule is considered to be a Large animal for the purpose of determining its carrying capacity.
Sure-Footed. The mule has advantage on Strength and Dexterity saving throws made against effects that would knock it [condition]prone[/condition
Bottle holder. The mule can carry any type of bottle in this pouch and can be taken out at will. Any bottle in this pouch can be used to be thrown.
Hooves. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 4 (1d4 + 2) bludgeoning damage.
Bottle throw Ranged weapon attack: The mule can throw a bottle of whatever is stored within the pouch. The bottle spill in a 10 ft radius and will effect any creature within it. Range is 15 ft.