Tracking is a High-level class ability(HLA) usable by rangers and the Baldur's Gate II: Enhanced Edition companion Wilson. Note it doesn't work in some areas.
Effects[]
“ | Tracking With an intimate knowledge of his/her surroundings and the creatures that live within them, a ranger can use the Tracking ability to give him/herself a general idea of what creatures are in an area and which direction they are. Red arrows at the edge of the screen will point in the general direction of the creatures in the area. |
” |