Indra didn't reply and just sat there as he stared at Gambler angrily,
The gambler looked at the rest and said.
"I don't know how he found it, but I don't think there is anything wrong with what he did. After all, we can guess that he might have found out about it earlier, but he didn't get just threaten us directly. Even with the enmity he has with Hel who killed his friend, he didn't go after her organization out of the rules of the organization, so why would he do that now?
It is because of Indra's overstepping of boundaries.