Questions in UNDERTALE

I'm in the head of a new project fangame...i mean when I'll get the time (or the will) but some concepts started to appear but I need help, what style of fight will have my fangame? (Really short questions time)

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So yesterday I took a poll about an idea for an AU, but I didn't explain it, so I'll explain it and then you answer if it's a good idea.

I'm thinking about making an undertale AU, and I thought about putting a new soul, the autistic soul. Do you think this idea is prejudiced?

people, i forgot to clarify about the soul, so I'll do another poll, ok?

#Undertale7Memories

What's your favourite game? (Except Undertale)