Use fireball

The goblin runs to you with his magic sword, but your fireball erupts like a miniature sun, engulfing him. The blast reduces him to ashes and the sword lays on the floor. Flames surge through the chamber, damaging the piled treasures. Gold melts and despite the explosion and the infernal flames, the red dragon egg lies untouched, its ruby scales drinking in the flames like a hungry beast.

Before it's too late, you grab the egg, and you are ready to run, but you listen to a voice.
"Hey, traveler, don't let me here with the dirty goblins, I'm on the floor, I'm the great Shadowmaster, I'm the sword!"