From LSWiki

Class: Fieldcraft Skills
Attribute: Intellect
Pedagogy: Procedural
Practitioner Term: Infernal Scout

This skill represents an overall, in-depth familiarity with the terrain of extremely hostile, high-temperature environments such as
the interior of volcanoes and extraplanar surroundings characterized by unending fires.  When in such terrain, this familiarity aids
one in fighting, movement, and the use of a variety of skills, such as tracking, stealth, foraging, and elude.

Notes

Trainers