Elvarg is the dragon who is fought during the Dragon Slayer quest. She has a combat level of 110, making her considerably strong. The player is required to wear an anti-dragon shield or Elvarg can deal up to 50 damage using her fire breath, and can also drain prayer. She can only be killed once during the Dragon Slayer quest. Once she is killed you are moved out of her lair, and the quest is complete. Be warned, if you drop anything and then kill her you won't be able to get back in to retrieve it! Elvarg was the highest level monster in the free to play version.