During your opponent's turn, all damage from physical attacks performed against you is reduced to 1 power stage of damage.
So what say we put an end to all of this pathetic whimpering.
Errata:
Treat his Constant Combat Power as if it read, “During your opponent’s turn, all damage (power stages and life cards) from physical attacks performed against Vegeta, Saiyan Prince is reduced to 1 power stage of damage.”