Zoro FINALLY Conquers His First BLACK BLADE (Kings Haki) ?! - One

Roronoa Zoro/Abilities and Powers, One Piece Wiki

Zoro didnt use advanced conqueror in ashura against kaido. Whenever someone has used ACOC, there is always one thing in common ,which is streaks of conquerors haki (black lightning) from the weapon.

Powers & Abilities - Zoro's final set of swords and shimotsuki power ups

One Piece Theory: Roronoa Zoro Will Finally Earn A Black Blade By Defeating Dracule Mihawk

A theory on how to make Black Blades and Zoro's next power-up. : r/OnePiece

A theory on how to make Black Blades and Zoro's next power-up. : r/OnePiece

Zoro was using conquerer Haki imbuing way before Luffy in his attack from recent spoiler chapters 1010. What do you think about it? - Quora

Conqueror's Haki and Why It Took Zoro So Long to Unlock It : r/OnePiece

Can Zoro use Conqueror's Haki in One Piece? How? (Spoilers) - Quora

Zoro is bRokEn with his NEW Black HAKI Swords - Enma EXPLAINED (One Piece)

Zoro's Future SUPREME Black Blades

Roronoa Zoro, Archive of the Celestial Han Empire Wiki

Why do people say that Zoro will awaken haoshoku haki? What qualities of a king does he have? Because that is something all haoshoku users have (qualities of a king). - Quora

A theory on how to make Black Blades and Zoro's next power-up. : r/OnePiece

In what order do you think these events will happen? ( Zoro edition ) : r/OnePiece