It would be great if there was another way he could meet Tav without pulling a knife, like if Tav had a high enough passive perception to say "Hey I can see that knife of yours mate. You pull anything and you’ll be Eldritch Blasted into Avernus. "
He’s supposed to be this charming rogue, but he can’t try conning Tav into doing instead of violence
I mean if they were that small, maybe they could have fit through the micro wormhole in Season one and then travel at relativistic speeds until they caught up to the present.