: I still would say not yet. Meliodas couldn't even scratch him with anything other than Revenge Counter despite having casual slashes like this with a mere twig. Zoro might inflict some damage, but he shouldn't have 1 shot power yet.
Meliodas slicing a mountain with just a stick
Still, is it just me or did Zoro vs Pica pretty much emulate Zaraki vs Gremmy?
1."There is nothing I can't cut"
2. Saved City from a rocky catastrophe.
3. Still not 100% serious.
4. Enemy loses the moment he became very cocky about his body.