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.
The pleasure of your skills strengthening.
Temblabas de alegría por saber 
que tu talento aumentaba.
Esa alegría al saber que te 
estabas haciendo más fuerte.
O prazer das suas técnicas 
se aperfeiçoando.