Titans

Titans (巨人) is the 3rd chapter of the 34th volume and the 137th chapter overall of the Attack on Titan manga, written and illustrated by Hajime Isayama.

Overview
Zeke and Armin are still stuck in Ymir's Paths and have a conversation about organisms multiplying in order to survive. Meanwhile, in the real world, the Warriors are having a tough time fighting the ancient Titans until they seemingly help them.