Agátur the Boastful asks you to seek out Kurthár, a terrible cave-beast found in Máttugard.
'Hmm, have you seen the beast, ${PLAYER}? Bah, I speak of Kurthár, the mighty cave-beast! Kurthár is a terrible menace in Máttugard. The beast has ransacked multiple supply carts and must be stopped! Find Kurthár and bring me its claw. Only then shall I rest easily.'
Kurthár and cave-beasts can be found in Máttugard.
You should defeat cave-beasts.
Agátur can be found at Steepset in Máttugard.
You should bring the claw of Kurthár to Agátur.