She raised it and blew a blast, aiming it at the column ahead. A blare of noise crashed through the cavern, rattling the loose stones on the floor and shattering the fragments of clearstone that lay there. The sound wouldn't harm Thaleste-the magical horn had been attuned to do no damage to Eilistraee's faithful-but it would stun and deafen everything else in its path, leaving larger creatures bleeding from the ears and killing lesser creatures outright. A yochlol would probably just teleport out of the blast, but at least that would drive it away from Thaleste.

Releasing the horn, Cavatina wrenched her holy symbol from around her neck. Holding it aloft, she sang a prayer. A beam of light formed around the pendant then grew until it was the length of a bastard sword. The blade-shaped moonbeam crackled with magical energy as Cavatina held it aloft.

"Come out from behind there," she shouted. "I know what you are."

A naked drow female staggered out from behind the column, hands clapped over her ears and an anguished expression on her face. For a heartbeat, Cavatina still believed it to be a yochlol-a weak one that had been damaged by the blast. Then she saw the sword-shaped pendant hanging between the female's breasts. No servant of Lolth's would wear Eilistraee's holy symbol, even a false one. When the priestess stumbled and fell to her knees, but the rubble she landed on neither shifted nor made a sound, Cavatina realized the whole thing was an illusion. She glanced up to see a mass of web hurtling down at her.

"Eilistraee shield me!" she shouted.

The magical shield appeared above her just in time to send the web sloughing off to one side. Heaving the sticky mass behind her, Cavatina sprang into the air. She could finally see what she was dealing with: an aranea, a shape-shifting spider capable of assuming humanoid form. The aranea was in hybrid form, a drow female at first glance but with a strangely articulated jaw and black bristles growing out of her head in place of hair.