He's ALWAYS had haki in mind. Shanks mean dogging Lor D. Coast, Zoro Mr. 1, Garps punches hurting etc etc.
If I'm honest I think it was originally only Conquerors haki that was planned out, and it had the properties of all 3 when first thought up. He split em around Skypia where he played around with Mantra, which is obviously supposed to be proto observation haki. My idea isnt that haki was perfectly plotted, but was different originally and was sloppily changed later on.
If I'm honest I think it was originally only Conquerors haki that was planned out, and it had the properties of all 3 when first thought up. He split em around Skypia where he played around with Mantra, which is obviously supposed to be proto observation haki. My idea isnt that haki was perfectly plotted, but was different originally and was sloppily changed later on.