This datapack adds the werewolf origin to the origins mod. This requires the fabric mod loader, the fabric API, the origins mod, and the pehkui mod installed or 1.17.

Powers:
Gets strength, speed, and a slight increase in regeneration at night
Burns in daylight
Slightly bigger
Can't sleep
Carnivore
Takes extra fire damage
Gains extra food from meat
Inflicts poison on hit
Gains hunger and health from attacking
Can reveal the location of all entities within a 15 block radius (secondary key)

Thanks to lockoman for the suggestion