Prove me wrong. I'm a lore expert on Destiny, so odds are I can refute any argument you provide that favors Destiny. Vegeta and Goku would beat the entire Destiny universe in a fight.
Lets also assume they know the mechanics for the VoG and Crota's End.
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But a ghost would be the best equipment they could every have, every time goku killed himself his ghost could revive him 3 seconds later which would up his power level.... Thus dbz + destiny = quick infinite power level