help on Agartha

[Swan]

i tried a sp with agartha and i choose ageless olm(w9e4f4) but i have a problem: when i cast quickness my ao dont attack twice with mindblast but only with life drain.
also i have 4 questions on elementals(fire and earth)
1) i know that oreigenes(king of earth) means maker of mountain and that pyriphlogos came from the fire logos ofa philosofer but what means Rhuax and barathrus(on baratro in italian means "deep cave")
2)what the point on using rhuax? pyri lose some prot and attack but gain eth and attack
3) also whats the point on using the king of earth that has 19pro(cant remenber if bara or orei)? the other one have only 3 less prot but double reg
4)my armor set(tartarian chains,flame helmet,black monolith armor,kupp bracer,stone boot) can you give me ome advice on how to finish the set?(1 misc 1 hand and boot if im using king of earth)