There is one way to defeat them. You sure that you tried all of the options? I'll give you a hint: you can defeat the adventurers only if you engage with the warrior :) The last frame of the story ends with the phrase "You did well".
hm..i think i missed one then ,,with the warrior ( i danced ) then i show my warrior face... but there is another option - to run ..i missed that one
damn.. and i played the game last week.. well i have to reply it lol
Yeah, basically you need to provoke him with a silly dance and then run away. That will drive him mad and he'll leave his party undefended :D