Her scream jolts him awake. He stumbles, blindly looking for a shirt. Running into the bathroom, he draws Riptide and strikes an offensive pose.
"Annabeth?" No answer. He realizes that she not bleeding nor are there any potential rapists other than the toilet paper.
She's also not wearing anything but a towel. He flushes.
"What's going on in here?" he says, trying to recover.
She points toward the shower.
A spider.
He throws it in the trash can. Very anti-climatic.
She seems to realize that she's practically naked, her face turning bright red.
"Okay," she says. "You can leave now."