From LSWiki

Class: Fieldcraft Skills

Attribute: Intellect
Pedagogy: Procedural
Hidden Skill

This skill represents an overall, in-depth familiarity with the chaotic 
terrain of the outer plane of the Exoma.  This familiarity enables one to 
better cope with the constantly changing and hazardous nature of the Exoma, 
as well as aiding in fighting, movement, and the use of skills such as 
stealth and foraging.

Notes

Trainers

 Wanders: The Wayfarer 
Association required:
 the Stalkers of the Gate: Kalyxes < 162
Guild required:
 Ordo Ignis Aeternis: Itozuma Wanders
 Zetesai: Gwale < 23
Quest required: