How to enchant items +15 in Aion 6.2. (It's not easy)

I will now explain how I am getting to enchant my items. 1st - Every day I make all available PvP instances, AD, ID, Arenas, Harmony and Evergale. 2nd - I do all the Genesis Crystal Camp during the week. 3rd - I exchange all my Genesis Crystal for '' Ancient PvP Enchantment Stone Chest '' in the city of Lakrun. 4th - I always have to leave item 13 with ancient enchants and use legendary enchants of 13 forwards. 5º - I leave to enchant everything in a single day. 6th - In this process I do not spend an