From LSWiki

Class: Esoteric Skills
Attribute: Intellect
Pedagogy: Procedural
Hidden Skill

One of the four power control skills, which deal with one's ability to make 
use of sources of power which respond to one's will.  This skill determines 
how well one can tune the energies generated through such a source for the best
results in a particular set of circumstances.

See Also: Power Generation, Power Direction, Power Focusing

Notes

Trainers

Northlands: Farouzh wanders
Association:
Kazarak/Kazarzeth: Urdo Wanders
Guild:
Ringwielders: Merethus
Quest: