Joker’s Asylum II: The Riddler (2010-) #1
Was it himself? I’m not good with riddles? It’d be funny if it was the joker but unlikely.
I’m thinking it was the Joker and the fact that such a heavy handed thing worked on her probably broke it up. She was so strong and stubborn and he thought he had to be so clever… but brute force did it.
Idk. There’s no reliable narration in this story.