Dedicate Your Heart (Chapter)

Devote Your Hearts (心臓を捧げよ) is the 2nd chapter of the 34th volume and the 136th chapter overall of the Attack on Titan manga, written and illustrated by Hajime Isayama.

Summary
As they continue to watch the advancing Titans from Fort Salta, the Marleyan survivors are shocked by the sight of a Titan flying away from the Founding Titan.

Reiner tries to scold Gabi for putting herself in danger, but Gabi is adamant that she and Falco can help. Annie explains that the Azumabito family's ship sank, but reassures Mikasa that its inhabitant are still alive. Annie explains that Kiyomi was okay letting her boat sink, and Gabi proclaims that they must stop the Rumbling in order to repay her. Moved by Gabi's words, Reiner asks Falco if the boy remembers a promise he made to him.