They'd just slipped under the door congratulating themselves on a job well done when Arion threw out an arm to stop them.
"Who's there?" Hiril Cirilla's voice felt like an icy stake into their hearts.
"We have heard you. Surrender yourself!" Her footsteps sounded very loud in the dead of night. But soon they could discern another set of footsteps alongside her. "I don't like this. We should check the Vault with a Presence-Revelation charm."
"Yes Hiril," said the deep voice of an Imperial Guard.
The children looked at each other in mute terror. If she discovered them here....
The footsteps grew louder and louder and louder..... till-
"What are you doing here again?"
On another corner of Diana's mind, Silvanus sat up, carefully slipping the Two-way mirror into the folds of his bed-covers. The lights came on.