HELP! 6.2.2 Troubles

Hey guys, I need help with the 6.2.2 sinister boss. I don't have CMM, and was wondering if duped Corvus would work. Also, what about aegon? Please tell me if you have other suggestions as well.
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i usually power through anyone with Corvus but I took my Warlock into that fight lol
Not sure what to say except hey give a shot man ... .it's just a game ... won't hurt to get in there and at least try to see if you can make it work but it will be difficult.
If you can post your roster is great to help with more options. Non-synergy you can try Hyperion or Medusa
Lucky for you have heimdal and Angela
It’ll take a while and some revives plus pots but here’s the jist of it
Activate heimdal synergy with Angela
Combo into curse of plaque and just heavy spam. try to get as many poisons as possible and push him to sp1
Hell transfer those to you but that’s good since you’ll be immune and gain power try to get close to 20 charges before you pop L3
Repeat
Mine wasn’t duped so maybe you can save some with her sig since you’ll have death touch up for a good chunk of the fight
Make sure to heal too, run through ROL with Ægon to get some pots
Ive used him a lot vs sinister and he works well, but not this particular fight.
But I guess you already have CV ranked that or CMM seem your best option currently.