It was popular knowledge that the Asmodeus Royal family and the Abaddon Royal family were neither friends nor enemies.
In fact, it was even possible that they were more likely to go to war that eating at the same table. However, it has been hundreds of years, and the two breanches of the family have been isolated from the rest of the cosmos for far too long.
It was inevitable that the attempt at sitting on the same table would not be presented.
After all, it was not just the plane of Celessera that was trapped. Its twin sister was also in the same situation.
They was a temporary truce between them and that was why their both terrifying armies were at bay.
Besides, Naamah and lamastu were sisters. They were the kinds that were known as the originators of their specie.
They were both feared and revered. Coupled with the fact that they had both eaten from the tree of Knowledge, no one doubted their decisions.