This sounds too good to be true. Its like more stuff to do. More Weapons to fight, a combat system that combines functions from Star Ocean and FF12. All cities from original to explore and now those are even bigger.
The only bad thing is that it splitted to 3 parts. Its like Starcraft 2, when the last episode came nobody cared anymore.
Starcraft 2 and it's expansions had too large a time gap between them. It can work if they release them one per year at the least.
Say 2019 it's episode 1, then next one in 2020, and the last in 2021.
Although this seems really weird considering we'll most likely be on next gen by 2020 at the latest.