Black weapon users are born with incredibly powerful spirits and willpower, which they channel into their weapons. By utilizing armament haki, their weapons become darkened over time until they turn pitch black.

Level 3: Sharpened Spirit

Your attack rolls with weapons and Unarmed Strikes can score a Critical Hit on a roll of 19 or 20 on the d20.

Level 3: Remarkable Athlete

Thanks to your athleticism, you have Advantage on Initiative rolls and Strength (Athletics) checks.

In addition, immediately after you score a Critical Hit, you can move up to half your Speed without provoking Opportunity Attacks.

Level 7: Haki Weapon

At 7th level, you may unlock any one "Uncommon" Color of Armament Haki Advancement feat from Chapter 7 of this book. If you have already taken all the uncommon armament haki feats, you may take an uncommon haki advancement feat under a different color of haki, assuming you meet the prerequisites.

Level 10: Additional Fighting Style

You gain another Fighting Style feat of your choice.

Level 15: Superior Critical

Your attack rolls with weapons and Unarmed Strikes can now score a Critical Hit on a roll of 18–20 on the d20.

Level 18: Haki Weapon Master

If you have already taken all the very rare and lower armament haki feats, you may take a very rare or lower haki advancement feat under a different color of haki, assuming you meet the prerequisites.