Master Frost Rune (Inquisition)

Master Frost Rune is a weapon rune in Dragon Age: Inquisition.

Acquisition
Schematic can be found in one of three spawn locations (the others will have the other two)
 * An obscure glyph requiring veilfire to reveal it in Sahrnia Quarry in Emprise du Lion
 * An obscure rune requiring veilfire to reveal it in Echoback Fort in The Western Approach
 * An obscure rune requiring veilfire to reveal it a cave Northeast of Redcliffe Farms Camp in The Hinterlands

Materials

 * Blank Runestone x 1
 * Intense Frost Essence x 9