About ten minutes earlier, Poison Ivy and Schiller arrived at ACE Chemical Plant, the largest chemical plant in Gotham City. Poison Ivy had been there a few times, but she had never made it through any of its sections in their entirety.
Moreover, because the chemical plant had been built so early, its internal facilities were outdated, its architectural design was far from scientific, and its various zones were poorly divided. Even its own workers occasionally got lost in other sections, so Poison Ivy always lost her sense of direction the moment she entered.
Yet she watched as Schiller moved through it as freely as if he had returned home. He first crossed the reception and office area at the front, then reached the archives in the back and found the records for the raw material storage.
Then, following the numbers in the files, he crossed more than half the factory, found the warehouse where flammable and explosive hazardous materials were stored, and then located the control room in some obscure corner across from it. He successfully opened the warehouse's security lock and smoothly obtained the raw materials needed for the explosives.
Poison Ivy did not see exactly what happened next. In any case, Schiller mixed all sorts of strange ingredients together in an even stranger manner and made a bomb that did not look like a bomb at all.
They detonated the bomb right there in the chemical plant. As she watched the smoke form a smiling face, Poison Ivy could not help asking, "Aren't you a little too practiced at this?"
Poison Ivy had never seen the Joker's entire process for carrying out a bombing, but Harley had mentioned it a few times. To compete on the same stage as a Master like Batman, being slow simply was