<P> Theon is stunned to find that Ramsay has been betrothed to Sansa Stark . He tries to avoid her until Ramsay's psychotic paramour Myranda leads Sansa to Theon's sleeping quarters, a cage in the kennels . After learning of their reunion, Ramsay involves Theon in his torment of Sansa by having him give her away at the wedding and then forces him to watch as he rapes her on their wedding night . Sansa asks for Theon's assistance to escape from Ramsay, but Theon, wishing to spare her Ramsay's wrath, instead warns Ramsay, causing him to flay the maid who had tried to help Sansa escape . When Sansa confronts Theon, he confesses that he did not kill her brothers . While Ramsay and the Bolton army attack Stannis Baratheon's forces, Sansa makes another escape attempt, but is caught and threatened by Myranda . Finally snapping, Theon pushes Myranda over a walkway to her death, just as the victorious Boltons return . Rather than face Ramsay's anger, Theon and Sansa jump from the Winterfell wall into the snow and flee . </P> <P> Theon and Sansa are caught by Bolton soldiers in the woods surrounding Winterfell, but are saved by the arrival of Brienne of Tarth, who kills the hunters . Although Sansa and Brienne decide to make for Castle Black, where Sansa's half - brother Jon Snow is Lord Commander of the Night's Watch, Theon tells her that he does not deserve the Starks' forgiveness and instead decides to return to the Iron Islands . Theon returns to the Iron Islands to discover that Balon is dead, and offers to support Yara at the Kingsmoot, a ceremony where the Ironborn elect their new leader . However, the Kingsmoot is won by Theon's uncle Euron Greyjoy, who admits to killing Balon but wins over the Ironborn by promising to conquer Westeros through marriage to Daenerys Targaryen, who possesses the only living dragons in the world . Correctly surmising that Euron will have them put to death, Theon, Yara, and their loyalists flee the Iron Islands with the best ships of the Iron Fleet . Theon remains psychologically traumatized by Ramsay's torture, but is urged by Yara to find courage . They travel to Meereen, which Daenerys has taken as her seat, and offer her the Iron Fleet in exchange for the Iron Islands' independence and the removal of Euron as king . Daenerys agrees, on the condition that the Ironborn cease their practices of pillaging . Theon and Yara then join Daenerys as she sets sail for Westeros . </P> <P> After Daenerys seizes Dragonstone as her base for the invasion of Westeros, Theon and Yara are sent with Ellaria Sand and the Sand Snakes to Dorne to transport the Dornish army to besiege King's Landing . However, Yara's fleet is attacked by Euron in the Narrow Sea, with Euron personally taking Yara captive . Theon is triggered after watching the carnage and jumps overboard, being rescued some time later by survivors of the battle unimpressed by his cowardice . </P> <P> Theon returns to Dragonstone, seeking Daenerys' aid in freeing Yara, but discovers that Daenerys has left to confront the Lannister army on the Roseroad . He is confronted by Jon Snow, now King in the North after defeating Ramsay . Jon reassures Theon that Sansa is safe, but that it is the only reason Jon is sparing his life . </P>

Who is it that is torturing theon greyjoy