In his new cursed armor, Guts does not feel pain. This makes him near unstoppable, to the point that even one of the apostles of light cannot defeat him.  But even if he doesn't feel pain, the damage still remains, and the armor itself threatens to engulf his soul...
It's the power of the armor.
إنّها قوة الدّرع
Das ist die Kraft der Rüstung.
Es el poder de la armadura.
Es el poder de la armadura.
L’armure a ce pouvoir.
È il potere dell'armatura.
É o poder da armadura.