08-21-2010, 05:12 AM
In Tamers rookies where strong, but that was because evolucion was sealed so most Digimon got stronger and stronger but didnt evolve. Shoutmon excuse is that he has been "reborn" and because of that he got a power bost. Besides as his design implies, he is based in Zeromaru (And Guilmon), so he has to be strong...