It took half a year for him to readjust his mental state, but Damien returned to the Ancient Battlefield eventually.
He, of course, wanted to see Iris before anything else, but time wasn't on his side.
The portals opened before he even arrived back on the battlefield, and if he didn't immediately teleport over, he wouldn't have made it before the first batch arrived.
As for Iris and Tiamat, his awareness spanned a large enough distance for him to see their situation as he moved, so he was already assured of their safety.
Nevertheless, he came here with one purpose only.
To subjugate those who couldn't be killed.
The universe was severely lacking in forces at the moment.
Of their originally large number of Demigods, only a little over 1500 still remained alive. When one took into account the losses to lower existence forces as well, it was a severe blow that couldn't be easily healed from.
