Weiss isn't just a book. He is the memory of a specific researcher. The Codex hides this fact in plain sight, referencing "Project Gestalt" only in the highest tiers of weapon upgrades. With the release of ver.1.22 , we got the "Ending E" material—the true final chapter. To understand what happens to Kainé in that lunar tear field, you need to understand the Lunar Tear weapon story.
If you have played NieR Replicant ver.1.22474487139 , you know the feeling. You finish the final Ending (E), stare at the title screen, and suddenly realize you have more questions than answers. Who was the original Gestalt? What exactly is a "Relic"? And why does a random piece of rusty metal in a desert have a 3,000-word backstory? Tag- NieR Replicant codex
You play a psychological horror game about the death of God, the futility of love, and a little girl who just wants a piece of bread. Weiss isn't just a book
Go back and read after beating the game. The clinical language of "Replicants are empty vessels" stands in stark contrast to the emotional reality you just witnessed—that Kainé, Nier, and Emil are anything but empty. The Codex becomes a lie told by the game’s own UI, forcing you to question who wrote these entries in the first place. The Secret of the "Grimoire" One specific codex entry changes everything: Grimoire Weiss. With the release of ver