Rank
Upgrade
Cost
2
Heal Power +10%
x2 
x1 
x4,480 3
DEF UP count +1
x3 x1 x4,480 4
Heal Power +10%
x3 x2 x4,480 5
Decrease debuff count +1
x3 x2 x4,480 6
HP REGEN count +2
x3 x3 x4,480 7
Cooldown -1
x3 x3 x4,800 8
DEF UP count +1
x3 
x1 x4,800 