Judging from the blank eyes in the second panel, the kids talking confirmed his suspicion of the Ryuudo Temple.

My guess would be him complaining about all the work of cleaning up after the HGW, like he does in Carnival Phantasm.

elgee said:

My guess would be him complaining about all the work of cleaning up after the HGW, like he does in Carnival Phantasm.

No rest for the wicked.