enough behind him, hopefully safe.
The beast was descending the hill; there was no more time to wait. Frost raised the Blade and braced himself. He focused his mind on the demon's presence, then he made himself aware of the mortal legions drawing near, and finished the spell's last phrase.
Again the fires lashed out from the Blade, white‑hot at first, then turning a blinding blue‑white almost instantly, until they began to take on strange florid hues as the force intensified even further—a blaze Frost's own mind could barely imagine, even at this moment. His eyes saw only the stream of fire that blinded him before he could look away, but he could sense the trueness of his aim, the contact with the demon creature. He sensed the beast fighting back as well, drawing on all the vastness of the forces at its command. But already, as he gained control and willed the new concoction of spells into a finer ­arrangement, Frost knew that the beast's attempts would not be enough.
The savage heat of the energy leaping from the Blade threatened to burn the exposed flesh of Frost's hands and face as the pain from everywhere within began again, crackling along each fiber of muscle and biting at his flesh as it rose to the surface—though it was different this time, somehow less severe, almost bearable. Within him nothing burned, no damage occurred, no flesh dissolved, so far as he could tell. Otherwise, I would already be dead, he thought. He closed his eyes and kept his concentration on the spell as its intensity remained at levels he could barely comprehend. He felt the pain increasing gradually, a thing he could hold for now, but growing bigger, heavier, large enough to crush him under its weight if he waited too long—much longer at all. The heat was truly beginning to burn his skin.
Then he heard the beast scream somewhere beyond the range of mortal ears, a sound that echoed through Frost like thunder through a mountain pass, and with that a distant l