Ok, Slime crushers need a few changes! But that's ok!
1.They need to cause stun:
They are a heavy sword. There almost an exact copy of the troika made to go with out slimes! Give them stun!
2.More squishes! If you haven't noticed, if you hit something with the slime sword with a regular attack, they make a squish noise. However the charge attack makes the same noise as troika! Replace it with some squishes!
By taking away the status SK can justify it doling out more damage.
A bit like the Acheron vs Obsidian edge, the status dealing one does less raw damage but the Acheron has no status.