C4 Summoner Spellbook Locations

In this post I will list the spellbook locations for the new C4 Summoner Skills. I will update the post as I find new locations. If you have additions or corrections, please post in a comment.

Summon: Queen of Cats, Seraphim
Field of Whispers (Henie region)
-Farhite(40): This mob is a caster and 2x hp

Assassin Servitor
Under Giants Cave (Aden Region)
-Unknown what drops it but it is rumored to be a rare drop

Warrior Servitor
Under Giants Cave (Aden Region)
-I believe they drop from Ancient Soldier groups but if not then from the wyrm groups.

Mass Cubics
Heretics Catacomb and Pilgrims Necropolis (Dion Region)
-Giant Raider

Cursed Man and Nightshade
Heretics Catacomb and Pilgrims Necropolis (Dion Region)
-Grave Keeper, Dark Horror(?)

Mage Bane
Dark Omen Catacomb
-Lesser Ancient Shaman 70+