By feats Zoro's Haki is at solid top tier level : r

Roronoa Zoro (Post-Timeskip), VS Battles Wiki

Roronoa Zoro (Post-Timeskip), VS Battles Wiki

How strong is Zoro, as in his power level (e.g., country continent planetary)? - Quora

By feats Zoro's Haki is at solid top tier level : r/OnePiecePowerScaling

What is the limit to Haki in One Piece? - Quora

HAKI Tier List - Chapter 1079+ : r/OnePiecePowerScaling

Powerscaling One Piece 1078: Straw Hat Pirates and CP0 vs the Seraphim

This is such a good feat from Sanji. If Zoro can damage Kaido so can Sanji. Why? Just look at this panel. : r/OnePiecePowerScaling

One Piece / Memes - TV Tropes

By feats Zoro's Haki is at solid top tier level : r/OnePiecePowerScaling

How much stronger is Roronoa Zoro now compared to when he first fought Mihawk? - Quora

Early example of Zoro's Haki? : r/OnePiece

What is the highest level of armament Haki? - Quora