B2 won't die.

[hellboyjr]

Product: Star Wars: Galaxy of Heroes
Platform:Android Tablet
What type of device are you experiencing the issue with? Samsung galaxy tab s5e
OS Version ?
Ally Code: (Find it here: http://bit.ly/AllyCode ) 717-859-432
What type of issue do you have? Gameplay
How often does the bug occur? Rarely (0% - 9%)
Summarize your bug B2 has no life bar. When you damage him, he disappears as though he's been defeated but then comes back, with no life bar.
Steps: How can we find the bug ourselves? Play Geo LS TB
Connection Type Wifi
Please select your region North America
Country Canada

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As you can see in the screen shot, he has no life bar but isn't going away. 

[GladOS-013]

@hellboyjr That sounds like one of the B2 units with Droid Battalion. If you hit him enough times he should still die. Definitely a bug that the stacks are invisible.