Who could beat the main character from Undertale? (Undertale Spoilers)

Frisk Respect Thread

CONDITIONS AND RULES

• Frisk will try to end the fight peacefully if they succeed in that they will win. But if they can't they are willing to attack.

• They are as determined as they were in the Asriel fight.

• They can save/load

• NO Omnipotents allowed.

So who could beat them?