From the corner of his eye Arma could see Elloween reaching out, trying to prevent him from sticking his hand in the fire. Just before she managed to grab a hold on him, Arma pulled his hand away from her grasp and stuck his other one into the fireplace. He shut his eyes, expecting searing pain but after a few seconds nothing happened, even after moving it around. 

Opening his eyes, he could see his hand right in the middle of the flame but there was no pain. Intrigued he moved his hand from side to side causing it to flicker and reveal the hidden ladder it was hiding. He put on a smug face and spoke to his companions. “Solved the first puzzle.” 

After saying those words he poked his head through the fire and looked up.