This had been a productive encounter. Besides learning more about the Strange Hands, Su Ming had discovered something else.
They did not attack the "characters" native to the current world. There seemed to be some rule or code governing their behavior.
The Strange Hands were fast, only a little slower than Barry. So far, they had shown the ability to overwrite reality, manipulate memories, control space, resist magic, withstand tremendous damage, and even set themselves ablaze at high speed.
But in Star Wars, that Strange Hand had not attacked Aphra, an easy target. And when Hermione had burst through the door just now, the Strange Hand had clearly had time to strike first at a speed ordinary people could barely comprehend. Instead, it had only defended itself, giving Deathstroke the chance to stab it in the back.
It seemed the Strange Hands and whoever was behind them avoided attacking "original characters." He did not yet know why, but it was a major advantage.
If they were all coming for him, Su Ming had nothing to worry about. As long as his friends and students were not in mortal danger, they could carry on with their lives.
To be safe, though, he immediately told Adjutant to send Howard and his family back to 40K Earth until things settled down. After all, they were not from this world. Ciri and Geralt needed a warning too, though he was not sure whether the Strange Hands could enter a game world rather than one based on American comics.
As for Batwoman and Joker, who had stayed on 40K Earth, he could leave them alone. Given that world's current power and defenses, any number of Strange Hands would be walking into a slaughter. He might as well use the two of them as bait.
Besides,