Karn - Sense of direction

Luckily, among his capacities were an internal clock, compass, and sextant—not that he could see any stars. Even so, with the various improvements Malzra had made to all these systems, Karn had an almost foolproof direction sense. He set out, slogging toward the island.

It took longer than he had anticipated. There were numerous submerged sandbars to climb and other pits to descend into. There was also a coral reef that was too fragile to climb over and too extensive to circumnavigate. He ended up having to smash through, the sharp animal accretions scarring his silvery knuckles.

***

Time Streams, Chapter 4