Zoro using haki since his first clash with hawkeye

I don't know if similar thread is here but i post this stuff long ago somewhere else and now i want to share it with u guys


i didn't even know to say its a theory or discussion so plz if it is not at right place move it

I would like to start with zoro vs daz bones


Zoro was able to anticipate where the rocks will fall and he was able to know under which rock his sword is then i suddenly remembered the chapter of one piece in which usopp was referring observation haki as aura
I think...

Zoro using haki since his first clash with hawkeye