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Sans promised Toriel that he would watch over and protect any human who came out of the Ruins. He later tells the protagonist that Toriel’s request is why they are still alive.
Who did Sans make the promise to?
Sans made the promise to Toriel before the protagonist arrived. The two became friends by exchanging jokes through the Ruins’ door. Toriel asked him to “watch over them, and protect them, will you not?” Sans says he dislikes making promises, but agrees, with their shared appreciation of bad jokes as the context.
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What did Sans promise to do?
The promise was to watch over and protect any human who came out of the Ruins. The game does not lay out a more detailed set of actions or formal terms.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchAt the MTT Resort, Sans explains its significance to the protagonist: “that promise i made to her… you know what would have happened if she hadn’t said anything? … buddy. … You’d be dead where you stand.” He immediately dismisses the remark as a joke, so the dialogue leaves room for interpretation about whether he meant it as a literal threat.
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How does Sans break the promise?
On the Genocide Route, Sans initially warns and tries to support the protagonist. After the confrontation in the Last Corridor, the protagonist advances toward him. Sans apologizes to the late Toriel for breaking his promise, then fights the protagonist in an attempt to stop their destructive path.
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