Discussion - Akainu's Ability

Busoshoku Haki granted the user the ability to touch Devil Fruit user's true body but it doesn't cancel out the Devil fruit's effect. So having Busoshoku Haki doesn't meant automatically ownage against Logia users and or having the upper hand against Logia users still because of their Devil

Kaido - News - IMDb

Why do people claim Akainu is powerful, when he was getting stomped by a sick and dying Whitebeard? - Quora

One Piece 1064 makes fans debate if Shiryu is stronger than Aokiji

Sakazuki, Fairy One Piece Tail: Uncut Wiki

Why was Akainu able to defeat Whitebeard but not Luffy? - Quora

One Piece 1064 makes fans debate if Shiryu is stronger than Aokiji

One Piece 575 IS OUT + 574 Breakdown And Discussion! A Tribute To Ace!

Kaido - News - IMDb

Akainu & Kizaru vs Kaido + Aokiji vs Big Mom - Gen. Discussion - Comic Vine

Sakazuki, One Piece Wiki

Character Discussion - Akainu's Portrayal Revisited

Character Discussion - Akainu's Portrayal Revisited

Could current Zoro replicate Shanks feats: stopping Akainu's casual magma punch? - Battles - Comic Vine