General Info
To craft G9 & G10 you will need to first craft "special items" which you can find here
Check the character class that interests you and then see how to make the special items. http://a3mmorpg.wikia.com/wiki/Crafting_special_items
You will also need Tear of saint which you can make:
Archer
HK
Mage
Warrior
Credits: a3elements.info & www.a3mania.com