Extella but Karna has red hair dye

[KnightOfSunlight]

Super Karna vs Sefar (Full Power)

Speed is unequal because they both scale from the same feat.

Karna Rojo:

Big Hands McWorld Destroyer:

Arjuna shouts Karna really, really loudly:

 

[Makkurona]

Sefar noms Super Karna

 

[LolMan342]

It was implied in karna side story that he actually won against Sefar one on one. That's saying that he wins