You jump on the snake. You land on its spine so it's temporarily paralyzed. Then you draw your sword and chop off its head. Inside the snake is the DRAGON SWORD! On it is inscribed

which is Elven language for dragon sword.

Then you step back on to the floor and it goes back in to the room. There are two doors in here. If you go through the door in the east, go to page 18. If you go through the door in the north, go to page 25.

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