Timid creatures who spent most of their time in their burrows they emerge during the full moon and perform complex dances. The reason for their dancing is a topic of some debate, but their performances are the cause of the geometric patterns in fields that Muggles find so distressing. I built the mooncalf as a peaceful creature that might be raised as a livestock. Their dung is used as a magical fertilizer by witches and wizards.
Small beast, neutral
Armor Class 11 (natural armor)
Hit Points 5 (1d6+3)
Speed 25 ft., burrow 10 ft.
Str 6 Dex 10 Con 8 Int 8 Wis 8 Cha 8
Skills Acrobatics +4, Perception +3, Performance +6
Senses dakrvision 30 ft., passive Perception 13
Challenge 1/8 (25 xp)
Tunneler. The niffler can burrow through dirt at half its burrow speed and leaves a 3-foot-diameter tunnel in its wake.
Slam. Melee Weapon Attack. +0 to hit, reach 5 ft., one target. Hit: target takes 2 (1d4) bludgeoning damage.