I also was musing earlier about how unique his relationship with Iris and Babs is. Barbara has every reason to want that fucker dead after what he's done. But she's actually civil to him.
Even though there is literally nothing anyone can do to make what he's done better. Cass is forever fucked over because of Cain. He's redeemed but still, holy crap.
snowbogan
Lady Stardust
i think, if barbara were to put it into words, she'd say "it's about putting love before vengeance." her love for cass, iris' love for him, even HIS love for cass
And Alec is a version of the child soldier that Cain repeatedly tried to raise, which would be a completely new angle to explore with him. He did know Ben but they had like zero CR. He had no idea Ben was