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

Character Discussion - Akainu's Portrayal Revisited

Powers & Abilities - Admirals advanced haki

Unpopular opinion: Akainu would do worse at egghead than Kizaru : r/OnePiecePowerScaling

Akainu, Villains Wiki

Akainu might be extreme but he believes in Justice. But when he finds out that Imu is a villian and hence stands on the side of injustice, will he stand against him

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

Sakazuki, All Worlds Alliance Wiki

The Fleet Admiral - Akainu

Powers & Abilities - Why is Akainu afraid of Shanks?, Page 2

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

What are Akainu's techniques? - Quora

Sakazuki (Akainu), VS Battles Wiki