(Warning! : not accurate)

DeDeDe = would be a joke if copy abilities were a thing there

Nightmare = if you can beat sans no damage, as long as you don't take you time on the first phase you're good.

Marx = watch the lazer

Marx soul = ah...owh....owww....my ears...

Dark Matter Swordsman = you're in the air, and you have a sword that shoots MLP beams.
GO.
NUTS.

Zero = same thing as DMS. But intsead of an MLP sword, it's an MLP party popper

Zero two = one, O2. Two, the kid icarus uprising before kid icarus uprising

Drawcia = tappy mc. Tap tap

Dark mind = too much stages

Dark nebula = depressingly easy

Magolor = needs to watch his corners more

Magolor soul = good job! You almost fixed the corner problem!

Almost.

Sectonia = pretty boss fight, but is aim really nessecary?

Sectonia soul = moves too much

Star dream = the kid icarus uprising AFTER kid icarus uprising

Star dream soul OS = really depressing once you read the pause screen

Void termina = a total joke once you know what the shoulder buttons do

Void termina (soul melter) = final phase's lazers can be cheesed if you stay in the middle

Void termina (ABV) = finds the faint of heart's sanity delicious