Maintenance for the week of August 3:
• PC/Mac: No maintenance – August 3
• ESO Store and Account System for maintenance – August 4, 5:00AM EDT (9:00 UTC) - 4:00PM EDT (20:00 UTC)
Buy one from guild traders or buy a potent nirncrux and ask someone to make one for you. I'm on PC/NA so I can't help you but I'm sure someone on xbox/EU can help.