Zoro neutralised Kaido's Great Wind and counterattacked with Hiryuu Kaen:
Said attack triggered Kaido's Oden PTSD:
Where are you getting Zoro failing to damage Kaido from?
We're not told whether Zoro's Hiryuu Kaen was successful, but given that the attack triggered Kaido's Oden PTSD, I would guess it's likely it did some damage to him.
I already answered this:
Nope. Zoro cut Kaido with Hiryuu Kaen using Enma. That attack triggered Kaido's Oden PTSD. It's
exactly like the Scabbards.
They're not being honest and are just looking for any excuse to shit on Zoro.
Zoro copied the technique after seeing Kinemon do it. Kinemon didn't train Zoro.
Law wants to find out the true meaning of D.
Hiryuu Kaen.
Ootsusuki next?
Hiryuu Kaen is a close range attack.