Act 6.2.4 improved power gain doctor strange

Just noticed a DS in the destructive feedback quest of 6.2 with 200% improved power gain as the notable node. Hidden behind a gate requiring 3 5* science champs...what can I use here?
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I might never get hood at this point, lol
I just pulled a 5* Hood, and I'm going to pair my ghost with him to take down this fight!
If my comment has been made, then owell. If it hasn’t been made, it helps them out (hopefully).
Starky?
Best options I could think that haven’t been mentioned.
I forgot exactly who I used.