there are some kind of runes on his chains - perhaps to ban his magic from his use
THIS!!!!!!!! THE HURT THE PAIN!;__; THE FEELS!
GAHH! DEM RUNES!
I looked up a Norse runic alphabet and did a quick interpretation. The top line says, “Who wields this hammer commands.” The first two words in the bottom line I cannot make out, but then it starts repeating the top line.
“Who wields this hammer commands.”