The closer we get to the final chapter of The Giants' Attack, the more the knots taper. Meanwhile, every situation finds its own way to resolve it, and the case of Chapter 137 is no exception.
Armin was kidnapped by Ymir Thanks to a giant in the form of okapi, the boy found himself in the desolate world of the paths. At his side, at the end of Chapter 136 de The attack of the giantsThere was Zeke Jaeger, another person who was caught in a limbo between life and death in this world. The bearded character then started arguing with Armin, trying to find a way to save his friends and escape from this place.
During the speech, Zeke began explaining life and what this entity always tends to expand and diffuse, sparking a discourse about what it really means to live and what freedom is. According to Zeke, it is Ymir who has achieved true freedom, with an immortal and powerful body that can escape everything. So there is no point in escaping this situation.
However, only Armin's answer manages to free Zeke from his mental paralysis and trigger a series of events to which it will then lead Help the people outside who are fighting Eren and Ymir. With these situations over, all that remains is to untie the final knots in The Attack of the Giants storyline to get closer to the finale.