Tellias would most likely gravitate to the head of the group as they march and offer up suggestions that Niklaus follow, then Elymas and finally Brathark at the rear. He is somewhat emboldened and more resolute after the events of the previous night *wink*
Also he will not "Blow up" at Manos whilst they are in Thebes. Instead he will wait until they are on the road again to confront he and Photokles.