![Image](http://i.imgur.com/71urYm6.png)
And here is strengthening of Bahamut:
Pay attention that Recovery moved to middle, because of big negative number.
![Image](http://i.imgur.com/cW9vxsj.png)
And next card we strengthen after Bahamut will be visually corrupted:
Recovery doesn't returned back after -9999 and now overlapping.
![Image](http://i.imgur.com/MeTLInp.png)
To reset this bug you need completely leave Strengthen menu and return.
Post it as Low UI bug and try to fix in this year)