The requirements:
Melee based: 90 Strength 82 Ranged and 82 Magic.
Ranged based: 90 Ranged 82 Strength and 82 Magic.
Magic based: 94 Magic 82 Strength and 82 Ranged.
Hybrid option: 255 points together in Strength, Ranged and Magic.
Or a single 95+ stat.
All options must have 1-30 Defence.
All options must have 75+ Constitution (hitpoints).
AND you must have a Camels Mask which can be achieved from doing the quest: Enakhras lahment
you dont have to finish the quest to get the mask, so you dont need the prayer req. the only req you will be needing is 50 crafting.
You also must have Ventrilo.