The one strong official Haki-adjacent fact currently visible in Roblox metadata is this: on your first time joining the game, you have a 0.1 percent chance to get a free Conqueror Ability.
Current Scope
That means this page can confidently explain the high-level role of Haki and point players toward the next guides, but it should still treat detailed unlock prices, locations, and stage-by-stage leveling numbers as pending until they are rechecked against current gameplay.
This is especially important because old Haki guides are easy to mix up with other Roblox games and older King Legacy patches.