Serph's used to fighting for survival. No tricks, no cunning, just him and a monster with survival on the line. His match against Shiba will be very familiar, then. An inhuman monster, just like at home, and neither of them has any option but to go for the jugular - Shiba with his halberd and Serph with his magic. It doesn't take a rocket scientist to figure out which side has the advantage in that that clash.