ok after u kill the weapons and master all your materia a new weapon appears called *Ameythest weapon* on top of Fort Condor.

hes impossible! he uses a 9999 to all party members beam called *arrogance*, an instant death Odin like move called *attention seeker* and a 20X terra break like move 9999 per hit called *RETSAM STORM*. how do i beat him oh mighty ffVII GOD?