As soon as the assistant Farengar start talking, the room erupts Irileth informing everyone of the presence of a dragon nearby. First, go talk to Jarl which will be at the top floor of the fortress, immediately after the guard will have seen the dragon, and seeing him explain hovering on the western tower.
Jarl will ask you to reach the place with Irileth and other soldiers to try to eliminate the dragon. Having reached the place seems very still, but in no time at all, the dragon will make his sudden appearance in the scenario. First you extract the bow and try to hit him with more arrows as possible, especially when land to roast some of the guards. Once severely wounded the dragon will fall to the ground, then started to fill it with arrows in the head and Kill it permanently. Once dead, get closer, just a beam of light will surround you and will absorb the power of the dragon, in this case the ability to stun a scream. A guard will tell you immediately that you are a "Blood of the Dragon", since the ability to absorb the powers and use them without the proper training. Without this Dragonsreach reach and talk to Jarl, which not only reward you with a weapon will make you become one of its most faithful warriors.
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