“Impossible!” Octavian broke in. “That’s our most sacred place. If the giants had imprisoned a goddess there—”
“They would’ve destroyed her,” Piper said. “And blamed it on the Greeks, and started a war between the camps. Now, be quiet and let Jason finish.”
Octavian opened his mouth, but no sound came out. Annabeth really loved Piper’s charmspeak.

The Mark of Athena, Chapter II