I plan to only finish one of my Relics, the other 8 are currently on Zenith and will probably stay there unless they do something that makes it easier to upgrade your relics after the first. Atma took me about 12 hours, which isn't bad, but the Books are too much of a pain, and the cost for materia on my server is pretty high, dont wanna infuse all my relics. Then there is the light grind which isn't exactly a walk in the park.