How does Goku know it's above Spopovich's ability though? He couldn't sense Spopovich's chi and didn't know how strong Spopovich was before. Goku would have likely seen some things that weren't in sync there to come to that conclusion.In Japanese he says "He has powers far above his ability..." which is likely referring to the potential unlock.
He probably inferred it from his ability to fly and shoot ki blasts. He knew he couldn't do that before.How does Goku know it's above Spopovich's ability though? He couldn't sense Spopovich's chi and didn't know how strong Spopovich was before. Goku would have likely seen some things that weren't in sync there to come to that conclusion.
Ain't no way boy. A flight aura is your evidence for putting this buffoon above Kami? Nah..