I have a maxed out Sabina now.
Next could be Proteus, Rigard or Sartana.
Sartana is the only 5 star Hero I have for now but I think Proteus would be a better choice. Rigard just acquired 2 days ago but else I would have preferred him over Sabina.
What are your thoughts? Go for the 5 star or pick one (or two) 4 stars first?