Dead Cyprian
Yes.
But.
The longer Cyprian is alive, the more often Cyprian can use counterattack.
Titanium shield
As for the original topic.
Titanium shield buff reflects ALL damage, so counterattack does zero damage. ( see notes)
Which can lead to some weird situations.
(How to do major dmg to a rare titan with 3 1*s / Bringing 1* Heroes to a 10* Titan)
Notes
Click for notes
FIN