Do anyone know where you can talk and buy things from hades?------- I do
on the way to fight kuja for the last time there is a place that look like you are underwater called (memoria/birth).once you get there go behind that huge rock that look like a whale and in the miiddle of the rock press the action buttom.
Hades will synth for you.Here are the items you can get.
Rode of lords,Tin amor,Protect ring,Pumice,Garnet,Amethyst,Peridot,Sapphire,Opal, Topez,Pumice pice,Save the queen,phionix pinion,ether.