Anthraxus

This is the demon master and lord of the lower planes; his name, Anthraxus the Decayed. He appears as a tall man in a rotted grey suit and cape. His head is that of a ram deformed by disease. His mouth foams and the wool pulls away from the skin by the handful. There are boils and blisters over his exposed skin and his flesh is pulled taut over his bones.

Gear

Anthraxus is using:
  <worn around neck>  [Pristine  ] a cold iron key
  <worn on feet>      [Pristine  ] (Magical) boots of planewalking
  <worn about waist>  [Pristine  ] (Magical) a belt of souls
  <wielded>           [Pristine  ] (Magical) the staff of the lower planes

You peek at the inventory:
  Nothing.