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  ===''A Dance with Dragons''===
  In ''A Dance with Dragons'' (2011), Tyrion travels to Pentos, where he finds himself under the protection of wealthy Magister Illyrio Mopatis. There he learns that Varys and Illyrio have secretly plotted to return the Targaryens to power since the murder of the Mad King Aerys II Targaryen. On Illyrio's advice, Tyrion decides to seek out and join Aerys' surviving daughter Daenerys at Meereen and help her reclaim the Iron Throne. He eventually realizes that two of his traveling companions are not what they seem. One is Jon Connington, disgraced former Hand of the King; the other claims to be Aegon VI Targaryen, Aerys' grandson, whom Varys had spirited away and replaced with another baby that was then killed during the Lannisters' sack of King's Landing. While stopping at a trading town to rest on their way to Volantis, Tyrion visits a brothel and is recognized and captured by Jorah Mormont who believes that delivering a Lannister to Daenerys will return Jorah to her good graces. Before they can reach Meereen, they are captured by the slavers currently besieging the city. When a plague strikes the slavers' siege camps, Tyrion engineers their escape by joining a mercenary company, the Second Sons. In exchange for membership, Tyrion promises the company the wealth of the Lannister ancestral seat of Casterly Rock, his birthright since Tywin is dead and Jaime has renounced it. Tyrion quickly realizes the slavers are on the losing side, and attempts to convince the Second Sons to change their allegiance.