I don’t have a huge amount of duplicates but never the less, the ones I do have, take u that extra little bit of roster space and can also help with feeding.
As I type, my roster space with all 3*, 4* and 5* is 85 out of a total 122.
I don’t do huge Summons (10 or 30) and rely on smaller cheaper deals/offers, or freebies (challenge coins, atlantis coins, EHT etc). So, should I keep all of these, or just some?
Do I need 3 Proteus and 3 Rigard? I have a costume on 1 Rigard (the 3/60 one) and Emblems on the other maxed one, and then an untouched Rigard. So far I have not needed 3 Proteus, sometimes 2 in events but 3 may be too much BUT with that said, I may never get him again so is the third one worth keeping and upgrade when I get the chance (after doing everyone else)?
Much like @zephyr1 I suggest keeping and making multiple of Proteus and rigard. My goal is still getting to 6 of each maxed in case I want them for my war hits.
Off topic, but I’d level the costume on your max Rigard ASAP. A +20 season 1 4* plus the costume bonus is basically as strong as an un-emblemed 5* (at least by the power score, which I know is debatable). My +20 Melendor with a full costume bonus has 773 TP. That’s the same power score as a max, but un-emblemed, Tarlak.