From Legends of Zork
Dornbeasts or Dorns are deadly creatures that say "Hurumph," as a battle cry.
It has 69 sensitive eyes can paralyze an unwary explorer with a single glare. (Range: about three feet for young beastling to about 20 feet for full-grown dorns.)
Closeup from Beyond Zork manual
Captured victims quickly lose their strength and are plastered with round, sticky secretions that never come off.
Dorns usually live in crags and shadows near cliff bases. Known dorn lairs include the cliffs near Egreth, and a lighthouse near Grubbo-by-the-Sea.