Skill rank up

Friends,
I still don't have a rank 4 skill champ. I have an AG waiting for Aegon or NF, but should I rank one of these up in the meantime? I don't run suicides and I'm looking to finish chapter 6 and finish some variants.
Cheers
I still don't have a rank 4 skill champ. I have an AG waiting for Aegon or NF, but should I rank one of these up in the meantime? I don't run suicides and I'm looking to finish chapter 6 and finish some variants.
Cheers

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