Dreamscape: The Summoning

"Somehow in my quiet contemplation, I drifted into slumber. Next thing I knew, I was outside a strange temple. I could see soldiers surrounding the temple courtyard, their guns aimed at a heretic priest who was deep into some bizarre ritual. Before I could wrap my head around what was happening, the soldiers started shouting, trying to stop the priest. But they were too late. From an ancient, bubbling cauldron, a massive fish-like humanoid began to take shape. It was like nothing I'd ever seen—its body appeared to be made of blue melted metals, oozing toxic-looking substances. The soldiers opened fire, but their bullets just passed right through the creature as if it was made of smoke. The monstrous being turned its gaze towards the soldiers, and in a flash, it shot out metal spikes from its body. The spikes pierced through the soldiers, one after another! I felt a surge of helplessness wash over me when the priest said, "It is done."

What's the boiling point of most metals?"