a.k
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Haven - Light, Necropolis - Darkness, Inferno - Fire, Sanctuary - Water, Stronghold - Air. This is also written in the battle logs, by the way. By the way, I wonder, isn't Primal magic useful for Orcs? It was quite disappointing that Orcs don't have it.
"Primal magic" is just another school of magic like Fire, Light, or Earth.
Yes, Primal magic is just another school of magic, but it doesn't belong to any specific faction.