Harry dived into the lake.
The killer whale Potion allowed him to glide swiftly through the water.
The lakebed was far cleaner than the Black Lake. There were no boots discarded by students, no dust-stained necklaces, sculptures, or portraits, and not even any scattered dead branches or gravel. The graceful curves and clusters of swaying, delicate water weeds possessed the refined beauty of a potted landscape arranged by Professor Sprout.
Chapter 317