He managed to transcend the formidable skill in all three types of Haki through his flawless mastery. Roger’s mastery over Observation Haki went beyond the limitations of most standards.

Joy Boy's powerful Haki was showcased, surpassing all others in the story so far, leaving only a few who can rival it. Luffy, Whitebeard, Roger, and Shanks all possess advanced Haki abilities ...

Oda essentially confirmed Shanks to be a user of Advanced Conqueror’s Haki before the age of 15. Here's what Oda had to say about Shanks's incredible genius: Shanks was such a genius that Roger ...