Tyrus yanks himself out of Sera's grip."Very well, if you want it to end...Shadow cross!" Sera's body automatically straightened into a 'T' shape, and then a cross of black flame appeared behind her, somehow shooting out black spikes that pierced her in almost every body part. "Normally I would have to force you into that position, but since you took some of my blood, it made it much easier to control your body, and to prevent that 'vanishing' trick.." Tyrus then recalled his sword, and jammed the bottom side of the blade through her head. "Hopefully when the Grey Knight finishes his fight, we'll have our time together, but for now, rest..."