Eren's lack of surprise at the exception granted to the Amazonians by the Anfang Alliance was rooted in his intuition. If his deductions held true, the alliance must have sought the aid of the Great Mother during the calamity war, a means to rectify the chaos wrought by God Vulcan.
Confirming his suspicions with Alephee, Eren understood that the Great Mother and the slumbering goddess within Sienna's shell were distinct entities. Thus, the Great Mother bore no responsibility for instigating the creation of the continent-encompassing barrier.
Rather than opposing the Anfang Alliance's decision to eradicate or isolate all faiths from their societal fabric, the Great Mother requested a special dispensation for her followers. She sought their peaceful coexistence within Anfang, away from the original denizens of the land.
