The battle with Kai reveals secrets that the Nagatsukis would rather leave unknown.
Not even worth leaving alive.
لا تستحقّ أن أتركك حيّاً حتّى
Te laisser en vie ne rime à rien.
Lasciarti in vita non avrebbe alcun valore.
Não tem nem valor vivo.
Едва ли стоит оставлять тебя в живых.