Will healers ever get offensive specials?

Maybe for some legendary healer ?
Healer are meant to be supportive characters inf the first place, not damage dealer. But who knows ?

I was thinking a decent way to implement this would be a healer exclusive special where it adds a % of the HP healed from your last heal either to your attack as an increase to your attack stat or as flat damage. It would probably have a longer cooldown (like Aether or Astra instead of Moonbow) to make it not as good as other unit's specials and yet still useful.