They really should have thought better before letting Damian take the reigns.

Alas, the giant green dog had already destroyed 2 buildings and caused unimaginable chaos. Fortunately, there are no deaths.

Upon hearing the news of said giant green dog causing mayham, Damian had been the first to arrive at the scene and successfully... tamed it.

It seemed docile enough.

Batman isn't trusting it for one second.

All hell breaks out when the goddamn dog gets damian by the cape, opens an interdimensional portal, and leaves.

Damian was quite pleased with himself. Not only had he gotten himself a new furry companion, but he had done something even his father, THE BATMAN wasn't able to do.

(The entire justice league were bafoons, trying to stop the poor frightened animal by attacking him. And Damian being the professional he is simply approached the animal slowly and carefully.)

But what, foolishly what damian hadn't accounted for was that the dog could make portals. So it was a surprise as he was simply petting the animal it had snag his coat and pulled him back! The last thing him seeing was the surprised looks of the justice league before disappearing into a long gree tunnel.