Even if they were powerless those two college guys were literally drunk besides being outnumbered. How difficult is it to kick them out and defend yourselves against them? They could have hussled to pick up anything that could have been used as a weapon to strike them down.
but how can anyone random guys can enter that so called palace of behind nilgiri mountain and blah blah so easily. they could have shown some powerful enemy instead of them and for that revenge of pratha could have been justified.