I agree, huge nerf as part of a bug fix. Bench cyprian and maybe even the 5* as they just take too much damage to not have the death blow count. Boril with his tankiness has a bit more value.
Staff just said Riposte will be back to its original status on next update. Read what Petri says here:
Um, pardon? This was my comment, not Petri’s…
Status update, we have decided to change the counterattack logic for killed heroes back in the upcoming update version 15.1. So dead heroes can still counterattack on the same turn they are killed.
Sorry, failed to quote
I wanted to point the whole thread.