Damian face said it all the moment Bruce Wayne introduced his new half-sibling into the family. It was pure shock to say the least as he watched his new sibling Being the sole biological child of Bruce Wayne, the Batman, was something he had prided himself in amongst his adopted siblings. But now, here there was another sibling that takes the cake. Pleasure to meet you. Damian managed to say, quickly switching his shock emotion for cool pleasantry, although a slight edge was still heard