Could have been worse my last 2 five starts were 3rd dupe on rhino and a KK. Red Skull is not that bad
You have good aw defenders red skull is good champ and ronan need to be maxed out for best damage output
I feel for you, RS was my first 6* and I've only used him as a counter for havok in act 6.1.6. @WardenZero gave some good tips on how to use him and if I was more inclined I might put some effort in but, with better options it's hard to find that motivation for champs that require more time and effort.Better 5* champs will come!