Which duos do you think would be almost unstopable together?

I have a couple of ideas:

• Soi fon + Mayuri (he can pull bs to make her 2 shot work)
• Soi fon + Urahara (he can also pull bs to make her 2 shot work)
• Soi fon + Aizen (cuz like its aizen)
• Soi fon + Tite kubo (he can just write her to actually 2 shot for once)
• Soi fon + Doing a suprise attack
• Soi fon + Actually trying

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