Strygalldwir is creature of Chaos that assaults Corwin in during his time in Lorraine. Corwin describes the creature as having glowing red eyes, standing well over 6 feet tall with great branches of antlers growing out of his forehead, nude with ash-gray colored flesh and leathery wings extending far behind it. Strygalldwir is killed by Corwin.

..."Strygalldwir is my name. Conjure with it and I will eat your heart and liver."