Ordinarily, Sirius would have been all over this, demanding to know what kind of powerful artifact they were dealing with. Right now, however, his face was set in a grim mask, focused entirely on bringing Regulus back.
The group stepped into the cavern, the tunnel sloping downward with Kreacher leading the way. They soon reached the edge of a subterranean lake, its water freezing cold and pitch black, concealing whatever lurked beneath the surface. In the center of the lake rose a jagged outcropping of rock, forming a tiny patch of dry land above the waterline. A battered little boat was chained to the boulder near the shore.
Cyrus narrowed her eyes, scanning the area. "There are protective enchantments on the boat. If the combined magical power of the passengers exceeds two people, it will sink. Voldemort planned this well... Dobby, Kreacher, you two can move freely despite the anti-Apparition wards. Take us to the rock in the middle of the lake."
Chapter 51