Batman: Arkham Knight "Batgirl: A Matter of Family" Full DLC Story Walkthrough \ Guide - Video in Full HD (1080p). Related Trophies and Achievements:. ● Ambush - Defeat 4 enemies within the duration of a single scare effect. |--| ● A Fire in the Heavens - Free the hostages at the Ferris Wheel. |--| ● A House Made of Spun Glass - Free the hostages at the Merry-go-round. |--| ● Weird War Tales - Defeat 15 enemies using any type of hacking. |--| ● The Laughing Fish. - Free the hostages at the Ghost Ship. |--| ● A Courtship of Razors - Rescue your father. Game available on: Sony PlayStation 4, Microsoft Xbox One & PC. Video recorded on: Sony PS4. Follow BatmanArkhamVideos on:. ● YouTube -.