The episode underscores Yu’s intense obsession with protecting his "family," which now includes both Guren and the Shinoa Squad.
Mika eventually manages to defeat and stab Guren through the chest. At this exact moment, Yuichiro (Yu) and his squad arrive. Seeing his commander being attacked, a shocked Yu lunges at the assailant without realizing it is Mika. Owari no Seraph: Nagoya Kessen-hen Episode 10
After being temporarily separated by a cave-in, the Shinoa Squad manages to regroup and push toward the main battlefront to support Guren. Owari no Seraph: Nagoya Kessen-hen Episode 10
The narrative highlights Mika’s internal struggle as a vampire who refuses to fully turn by drinking human blood, driven solely by his desire to rescue Yu. Owari no Seraph: Nagoya Kessen-hen Episode 10