Subsonic Hearing (P, X)

0 or 5 points
You can hear very low-frequency sounds (under 40 Hz), such as the rumble of distant storms, the vibrations from incipient earthquakes, and the approach of stampeding herd beasts, armored vehicles, or dragons. This gives +1 to Tracking skill if your quarry is moving on the ground. Cost depends on your capabilities:

You can hear very low-frequency sounds only: 0 points.

You can hear very low-frequency sounds and other sounds: 5 points.

Note that Subsonic Hearing is included in the cost of Subsonic Speech (below); you cannot take both traits.