Along with Harley came not only Poison Ivy, but the entire Teen Titans team. The satellite was online, and the compatibility work with magic was complete, so what was the point of staying on the Rock of Eternity? To eat an all-canned-food banquet?
Damian learned that Su Ming intended to use Harley as bait and volunteered the Teen Titans to keep an eye on the float.
Su Ming thought it over. The satellite alone could handle the surveillance, but sending out the Teen Titans had its advantages. One thing was whether the fish would bite; another was whether someone might try to steal the catch.
The bait had been cast. Whether it reeled in Joker or The Batman Who Laughs, neither was impossible.
Of course, if Joker bit, Su Ming planned to make a deal with him. If it was The Batman Who Laughs, there would be nothing to discuss. He would kill him outright.
Beheading him last time had not worked, so this time he would chop him into mince and burn it to ashes. If that still did not work, he would go ask Destiny and Death what exactly was going on.
Su Ming himself, along with Green Arrow, Diana, and a gorilla, led the Shadowpact to set up spell formations at the three Pillars of Magic. Once they were finished, Shadowpact would remain at the Rock of Eternity to guard the place.
Their mission was to activate the Earth Protection Spell Formation the moment they discovered any trace of The Batman Who Laughs, to see if they could block his ability to travel between universes and trap the dog behind closed doors.
Green Arrow's satellite was old equipment, so there were bound to be security loopholes. Su Ming knew that, but he had intended it as a