transmemesatan:

Important:

• Asgore doesn’t question Frisk when he’s told that he killed them before, even too many times to count.
• Asgore not only knows about the UI, but is capable of actively removing Frisk’s ability to Spare properly.
• Toby has confirmed that Asgore killed at least one of the fallen children himself.

Conclusion:

• Frisk isn’t the first human who wanted to Spare Asgore, nor are they the first human to repeatedly die – and reload – at his hands.