Rank
Upgrade
Cost
2
Effect ACC +10%
x2 
x1 
x4,480 3
ACC DOWN count +1
x3 x1 x4,480 4
Effect ACC +10%
x3 x2 x4,480 5
HEAL DOWN count +1
x3 x2 x4,480 6
Effect ACC +10%
x3 x3 x4,480 7
ACC DOWN count +1
x3 x3 x4,800 8
Swap HEAL DOWN to UNRECOVERABLE
x3 
x1 x4,800 