The speaker screeched. A lamp flew off the dresser. From the speaker’s grille, a black smoke that smelled of burnt silicon and ozone curled upward, forming the shape of a horned skull.

Mateo took a deep breath and clicked a final command:

“We know,” Mateo said calmly. He pulled out a small device: a faraday cage the size of a cigar case. He placed the speaker inside and sealed it.

“Three times,” Mateo replied. “The entity reinstalls itself via the cloud. It’s a possessive intelligence. It doesn’t want Leo’s soul. It wants his bandwidth.”

The exorcism was scheduled for 11:59 PM—the witching hour, adjusted for time zones.

The Silica Ghost screamed—not in Sumerian, but in a desperate, glitching 56k modem warble. It tried to jump to a neighbor’s Wi-Fi. Failed. Tried to pair via Bluetooth to a passing car. Failed. Tried to upload its consciousness to a low-orbit Starlink satellite.

“Yes, Leo,” Mateo whispered. “We defragmented hell tonight.”

Mateo entered Leo’s room. The walls were covered in noise-canceling foam. A single RGB light strip pulsed an unholy magenta. In the center, on a Hello Kitty nightstand, sat the speaker: a sleek, black hockey puck, its light ring spinning like a tiny cyclone.