If the Twisting Nether is a chaotic place of the Fel, and volatile Holy and Void energies then how was Karesh blasted with Arcane energies when Dimensius opened a rift to destroy Karesh? The Lore states that Dimensius tore open a rift from the Twisting Nether to Karesh and unleashed a massive blast of Shadow and Arcane energies onto the Kareshi homeworld. But wouldn't this be contradictory with what Chronicles states about the contents and origins of the Twisting Nether, specifically how it is a place of choatic energies where the Fel(Chaos) comes from? 

Arcane is supposed to be Order vs. the Fel's Chaos, and their interactions are violent and equally nullifying. 

So, if Arcane opposes the Fel and the Arcane was in no way involved in the Twisting Nether's creation then how could Dimensius unleash Arcane energies from the Twisting Nether?