my character and my heroes DEFENCE ATTACK and AGI having inconsistent statistics. everytime I upgrade one goes down like 
I transfered my claw fuse HP+PTK gem to may main characrter and claw has 170.3k attack 103.pdef 103k mdef
i upgraded my nereida train to 5 zues. pdef goes up to 72.2 pdef but after 3 minutes it goes back to original pdef 71.6 def
worst my claw affected stats goes down?
Blade Lady Sylvias copse s2
I transfered my claw fuse HP+PTK gem to may main characrter and claw has 170.3k attack 103.pdef 103k mdef
i upgraded my nereida train to 5 zues. pdef goes up to 72.2 pdef but after 3 minutes it goes back to original pdef 71.6 def
worst my claw affected stats goes down?
Blade Lady Sylvias copse s2