Is that not filler lol?
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Tbh, after I reread some chapters again, I think Vergo might have a good chance to even defeat V2 Bee as long as Vergo doesn't try to tank a Bijuu Dama.
Bee's V2 is vastly inferior to his full Bijuu Mode in terms of stats, so his bijuu dama should be vastly weaker as well imo.
Nevertheless, Bee's V2 bijuu dama should be able to demonstrate this DC:
This explosion was calced to be 2.3 gigatons IIRC. So Vergo might have a chance against V2 Bee.