The Miyoshi brothers have powerful regenerative capabilities.  They say that taking life is offering salvation, and in them Shungiku sees his own younger self.  Oooka, who knows the old Shungiku, is doubtful he can win the battle.
It's simple for us to follow.
¡Trepar por paredes es 
sencillo para nosotros!
Trepar por un muro es
 muy sencillo para nosotros.
É moleza para nós te seguir.