A mysterious woman showed up out of nowhere and destroyed the second Soul Eater in a single blow. She then proclaimed the start of the "true battle of the wave" and blew away the other three heroes when they attacked her. With Naofumi's party proving ineffective as well, he decided to use the Rage Shield one more time.
It's even less potent than 
I thought it would be.
هذا أقلّ فعّاليّة ممّا توقّعتُ أن يكون
Das richtet weniger Schaden an,
als ich dachte.
Es menos potente de lo que esperaba.
Es menos potente de lo que esperaba.
Je m’attendais
à bien plus dévastateur.
È più debole di quanto immaginassi.
Isso é menos potente
do que achei que seria.
А она заметно слабее,
чем я думала.