In the creepy cabin in the creepy woods with the creepy fungus man sitting in the creepy fungus chair was a hole. In that hole were caves and into that hole ran Muse.

The others followed her with varied levels of reservation. 

Hot on her heels were Gene and GEFF. They followed a creepy demon song down a cave to where blighted monsters attacked.

Slightly more cautiously, Meli followed. She found GEFF at the end of a different passage. He had apparently been misled by the demonic song and was gently stroking a stone of some kind with a creepy ethereal snake that had grown out of his arm. 

Meli, GEFF and Tyrteus joined the battle against the corrupted monsters, temporarily preventing the deaths of both Gene and Muse.

Battered but resolute, the regrouped team pressed on deeper into the cave. They came upon a room in which a corrupted sorcerer (not a wizard) was doing a very evil-looking ritual involving a large glowing pentagram and a small floating child.

Muse, without a moment of hesitation, tackled the child free of the summoning pentagram. She suffered a grievous magical injury in doing so, but the child was saved. The sorcerer, though, was a bit miffed.

The battle the followed was brief but fierce. In his final bid for survival, the evil sorcerer loosed a lightening bolt, killing Muse where she stood.

Gene moved to strike down the sorcerer in revenge, but as the final blow was about to land, he faltered in his resolve and simply knocked him unconscious.

With the spell interrupted, the summoning circle erupted in a violent and vibrant burst of light. Whatever was being summoned seemed to burst free and fly from the area, seeming to pull much of the festering corruption into itself as it went.

Licking their wounds, the party hauled the rescued children, muse's corpse, and the unconscious sorcerer back to the surface to rest. There they found the fungus man had burst open like a Christmas present with a firecracker inside. 

It was all very distressing.