Summoning

Visualization (Imagination): 

-Presence of Item or Weapon
-Presence of Person or Beast

Emotion (Willpower): 

-Requirement (As opposed to desire)

Energy Source (Soulfire): 

-Condensed residual Soulfire from Flora/Fauna
-Aura (Personal Soulfire energy)

Used by: 

-The Conjurers of Farin