Ep. 8: X-Men rescue Yui from spider monster, leading to Riko and Kaga transformations and Xavier's void trap

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The X-Men intervene when Yui is attacked by a spider-like creature, only to find it transforms back into Riko Nirasaki, who suffers from DHS. Beast administers a vaccine to Riko while interrogating Yui. Subsequently, Kaga undergoes a similar DHS transformation and assaults the team before being subdued. During the chaos, Emma spots Jun Sanada, whose appearance briefly shifts to that of Mastermind before he disappears. After Kaga receives treatment, Cyclops and Wolverine confront Emma regarding secret medication she provided to both Riko and Kaga. Meanwhile, Xavier pilots a backup Blackbird to Touhoku, contemplating his bond with Yui, but the aircraft and its pilot suddenly become trapped in an inexplicable void above the region.