At chapter 11!!
I didn't know the "startegy" to upgrade till someone told me you use the animal items first to bulid up the "multiplaying bonus"....and then you use the mechanical items.
until then I was doing it all randomly!
But beware....the strength goes down when you upgrade.....but ofcourse it will go much higher than the strength limit for tier 1.
I guess I wanna get the omega weapon for light before starting chapter 12!







