There are several different merchants in SoF that will sell you rank III spells.
Ladies of Light faction Edit
Alissa Saint Claire in Dragonscale Hills sells the following spells:
- Song: Arcane Anthem Rk. III (bard)
- Spell: Chaos Conflagration Rk. III
- Spell: Chromassault Rk. III
- Spell: Funnel of Frost Rk. III
- Spell: Mana Resurgence Aura Rk. III
- Spell: Phantasmal Orb Rk. III
- Spell: Preincarnation Rk. III (druid, shaman)
- Spell: Summer's Viridity Rk. III
- Spell: Tangleweave Energy Rk. III
- Spell: Trial for Honor Rk. III
- Spell: Ward of Resurgence Rk. III
- Tome of Wheel of Fists Rk. III (monk)
This is what you need to do for her to offer them to you:
You will eventually need Ladies of the light ally faction. Do the following tasks (note that these tasks get you faction, some of them require a certain level of faction to get them):
Do 7 Solo tasks:
Dragonscale Hills Tasks Edit
- Mash Brownies - Kill 20 Brownies in DSH.
- Moonfires Burning Desire - Kill Wind Nymphs and loot an enchanted collar.
Need kindly faction to get the next two:
- The Rescue - Kill 5 Brownies, Hail Agilica near Queen then 2 guards spawn, kill them.
- The Queen's Demise - Kill Queen Veneneu.
Loping Plains Tasks Edit
- The Festival of Nightmares - Kill 2 named skelly in the festival area and pick up 2 ground spawns.
- The Talking Tree - Hail Oracle then invis down and kill Lord Malforus and loot heart.
- Vrald's Lost Brother - 20 Step Task.
Then do five Group tasks from Overvolt Rigster the IV. The keyword is "job". He always offers the lowest you haven't done yet, until you have all five then you can pick and chose: