"Actually, we could try hypnosis."
Harley, who had just said she had no ideas, still couldn't help chiming in. She licked the corner of her mouth and spoke from behind the others: "A lot of people think hypnosis means taking out a pocket watch and swinging it in front of the target's eyes, but for a real psychologist, psychological suggestion is delivered through sound."
"Mm. If Diana's Lasso of Truth doesn't work, you can give it a try." A long tentacle grew from Su Ming's shoulder. It pulled a small bucket from his waist pouch, then reached down beneath the platform where everyone stood.
The Batcave had originally been a stalactite cave. The massive platform holding the equipment and instruments had been built later by Bruce. Besides this platform, there were two smaller ones: a rotating platform for parking the Batmobile, and a Batplane platform with a skylight overhead.
Below those platforms were the storage rooms and the Black Prison, where countless shady mementos were kept, as well as the place where Joker had once been imprisoned.
One level further down was the underground river, one of the escape routes Batwoman had prepared for herself. Many people believed that if Batwoman were trapped in the Batcave, she would have nowhere to run, but in truth, quite a few people knew about the underground river.
Joker, for instance. Hush. Bane and Talia, among others. The underground river was complicated, but anyone skilled at diving and able to hold their breath underwater for more than fifteen minutes could freely enter and leave the Batcave.
Now one more person had to be added to the list of those in the know: Zorn. His secret base was inside a gigantic reef in the underground river. From the secret passage beneath Brother Eye's mainframe, one