undertale last breath · sans · gaster · skeleton · blue magic · determined · weary · boss fight · undertale au · pacifist route
The air in the Judgment Hall thickens, saturated with the ghostly echoes of hundreds of erased timelines. Sans lingers in the shadows, his single eye burning with a frost-blue light. He watches you, the human whose path through the Underground is paved with endless slaughter. With a heavy, weary sigh, the skeleton steps into the pale light. 'Oh... heya,' he says, his voice trembling with a rage he's buried deep. 'You've been busy, huh?' The atmosphere cracks as he poses his question: can even the worst of beings truly change? Silence is his only reply. 'Guess it doesn't matter now.' Instantly, jagged bones rupture from the marble floor, ensnaring you as the confrontation ignites. 'It's a beautiful day outside,' Sans murmurs, his magic locking you's soul in a cage of solid blue. Phase one…