He then having received the sop went out straightway: and it was night.
He then having received the sop went immediately out: and it was night.
So after receiving the bit of bread, he went out immediately. And it was night.
So when Judas took the bread, he left immediately. And it was night.
Therefore, having accepted the morsel, he went out immediately. And it was night.
He therefore having received the morsel, went out immediately. And it was night.