<Li> "A Dream I Once Had" (いつか 見 た 夢, Itsuka Mita Yume) </Li> <Tr> <Td_colspan="5"> The Survey Corps confronts Rod at the walls of Orvud District, ultimately winning when Historia takes advantage of an opening provided by Eren to slay her own father and uses such fact to herald herself as a heroine in order to bolster her authority as the new ruler within the walls . Historia then is crowned queen, but she relinquishes all authority to the military and dedicates her life to providing aid to the orphans . Afterwards, Erwin and the others make preparations to launch a campaign to seal the breach on Shinganshina and reclaim Wall Maria when Eren remembers that Keith Shadis, the man who trained him and his friends when they joined the military was a friend of his father's and he decides to pay a visit to him in search for answers . Meanwhile in Shinganshina, the Beastly Titan is seen in his human form, and commands Reiner and Bertholdt to stay with him and prepare an ambush on Eren and the others, certain that they will eventually appear there . </Td> </Tr> <Tr> <Th> 18 </Th> <Td> December 9, 2015 </Td> <Td> ISBN 978 - 4 - 06 - 395549 - 1 ISBN 978 - 4 - 06 - 358783 - 8 (limited edition) </Td> <Td> April 5, 2016 </Td> <Td> ISBN 978 - 1 - 63236 - 211 - 7 ISBN 978 - 1 - 63236 - 322 - 0 (special edition) </Td> </Tr> <Tr> <Td_colspan="5"> <Table> <Tr> <Td> <Ol> <Li> "Bystander" (傍観 者, Bōkansha) </Li> <Li> "Night of the Battle to Retake the Wall" (奪還 作戦 の 夜, Dakkan Sakusen no Yoru) </Li> <Li> "The Town Where Everything Began" (はじまり の 街, Hajimari no Machi) </Li> <Li> "Mission Objectives" (作戦 成功 条件, Sakusen Seikō Jōken) </Li> </Ol> </Td> </Tr> </Table> </Td> </Tr>

What chapter does season 1 of attack on titan end