The character Psylocke is the most powerful X-Men member because her ability to create anything with her mind is limitless.

“in my opinion she has always been the most powerful because if you can create anything with your mind there you go done game over right”

The ideal superpower would be the ability to absorb energy from any source.

“but my power would be like um sebastian shaw that's what i would like to be like he's a guy that can absorb any energy any energy”