This is Luffy's haki.
Mean whilst Odens haki:
-Cut Kaido, Zoro did not
-Cut Lucci, Zoro did not
-Cut King, Zoro did not
- Cut Apoo, Zoro did not
-Cut fart bubble, Zoro did not
- Clashed with Nusjuro, Zoro did not
-Cut the rock, Zoro did not
-Big Mom told Kaido to dodge Oden's Haki, not dodge Zoro
-Clashed with S-Hawk, Zoro did not
-Then Ryuma's haki cut Pica, Zoro did not