Indeed he does. Krell's best feats are pushing Clones and ambushing Clones. Grievous has replicated that feat to a more devestating effect without environmental aid.
Grievous casually crushes Jedi for a living. Punching Clones a distance of a few meters pales in comparison.
Also, he butchered those Clones primarily via ambushing them.
Not really, at one point there were dozens of clones surrounding him and he cut and TK'd them like nothing. If it weren't for the tentacled creature that caught him, he probably would've slaughtered more clones and they wouldn't have been able to capture him.
Yeah, really. He sent a dozen of them back with TK(Grievous tanked TK that blew away dozens of droids, so TK that blows back a few Clones is nothing) then escaped, killed a few then waited in the fog deep inside the forest before he ambushed them.
Either way, I don't consider his brief appearance in that TCW chapter good enough to effectively debate this character. We never even saw him cross blades with a Jedi/Sith.
And given the fact that Clones can outrun him and he got tricked by them, I don't think crossing blades with any competent duelist that could adjust to his wild, sparatic bursts of twerling lightsabers would go well for Dexter Jetster.
In the context of TCW, Krell is insanely skilled and powerful when you compare what he did to the 501st to how other beings (Obi-Wan or Savage Opress for example) did when surrounded by blaster-wielding enemies (and tbh most of the time said enemies aren't up to scratch with clones, let alone the best clones).
Add in that Grievous' main edge over Force users (superior knowledge, versatility and unorthodoxy in terms of lightsaber combat) is kind of mitigated by the fact Krell does the same thing as him, just with two saberstaffs (which requires even more dexterity than what Grievous does). From there Krell has all of the obvious edges the Force brings, as well as TK. I can see Krell winning if the fight happened.
__________________ “The galaxy must experience the pain of death and the rapture of rebirth as I have. I will bring chaos. It is time for war.”