Wincing at his wound, once under the safety of the mist Nathaniel drops his bow and draws his sword, moving to the edge of the mist, with his blade prepared to defend from any strikes he can see. (expertise for 5) If he happens to come out of the mist within striking distance of the beast, he will take a careful poke at it.
His oration continues: "Come forth, ye wretched beast, who has tried and has failed to contend with my companions! Come, let my blade taste of your flesh, so that it may know the flavor of an arrogant fool, and recognize it in real battles yet to come."
(Note: I just noticed that you had Nat's initiative listed at 6... I was wondering how you arrived at this when he has a +6 modifier? It's not like it changes anything, but I'm just wondering where this discrepancy comes from, in case it might effect other aspects of the game...)