This HAS to end with Eren getting killed right? Like at this point he can't walk away from that fate
I mean his "Titan timer" is almost up at this point regardless of what he decided to do. If you're insinuating he HAS to die a violent death as comeuppance for what he's done... the whole point of this manga is how every side and actor in war is an active participant in its atrocities. Armin spells it out for you in this chapter verbatim how even he has the blood of innocent children on his hands; all of these people, the Marleyans, the Eldians, etc. etc. are all cold blooded murderers with body counts of countless innocents from every nation/ethnicity/political affiliation/etc. there is. Eren's only taking such drastic action because the world order that opposes him is seeking to exterminate his entire race/people from the face of the earth; there isn't a "good guy" or "bad guy" in this scenario. The entire point of the story has always been about exposing and disposing of that type of superficial black/white moral binary.