In Norse mythology Muspilli (or Muspelheim) is the abode of the fire Gods.
INSCRIPTION TRANSLATION :
“Finished on November 25, 1922. The fire comes out of Muspilli and grasps the tree of life. A cycle is completed, but it is the cycle within the world egg. A strange God, the unnameable God of the solitary, is incubating it. New creatures form from the smoke and ashes.”