You: Who else are you?

Chara: Partner Frisk~

Chara: Do you think killing our friends will get away with it? ~

The guy pulled out his iconic knife. The knife glowed red and a red energy attack flew at you

You: What the hell?!..

you created a shield, and fought off a dangerous attack in time

Chara: Now it's my turn to have fun! I hope you won't let me down~