So this is exactly what the title suggests, with a bit extra. I'll highlight what state/level of power the character is at, and list some quotes

Sound like fun?

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2.5% (Casual)

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"Woah!! What the hell are you doing!?"

"Jeez, did you just surprise attack me? The hell??"

"Are you insane!?"

...

10% (Suppressed)

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"If it's a fight you want, then it's what you'll get...obviously."

"Okay! This party's getting a little crazy!"

"Woah! If you wanted to dance, you could've just asked!"

"Let's see how you handle this one!"

"Heh! Too slow, try again!"

"Yikes! That one left a bit of a bruise...awesome job!"

"Ow, ouch...jeez, couldn't even pull your punches a bit?..."

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25% (Pumped up)

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"Just saying...you ASKED for this."

"Guess I've been playing a bit TOO nice..."

"Just like that, huh? No monolouge? Just cutting right to the chase?"

"You're wide open!"

"Seriously? Stop being so predictable..."

"Okay, not a bad strike...but this is far from over!"

"Ugh...you're making it really hard to enjoy this, y'know..."

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50% (Serious)

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"You want to fight ME? You're not strong enough."

"That's enough. It's too late to say sorry now."

"No time to waste. Let's GO."

"This WILL hurt."

"That was a BIG mistake."

"...Is that all? If so, then I've already won."

"Finally, you actually hurt me...now I have an excuse to stop showing mercy."

...

100% (Full power)

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"...You'll die if you fight me."

"You don't even know how much danger you're in..."

"Did you think I wasn't ready for a fight?"

"Case closed. Die."

"I'M OVER HERE, IDIOT!"

"You hit me...hope it was worth your life.

"Now I'm PISSED OFF!!!"

...

Essence of Demon (Unleashed)

...

"Come at me if you're ready to die!"

"THIS will be your grave!"

"...Nice try."

"Here's what you deserve!!"

"Not good enough!"

"HARDER!!! Hit me harder!!!"

"AHAHAHA! I actually felt that one! Good!"

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UwU