1. Does Vergo have Haki?
2. Does Vergo use armament Haki?
3. Why is Vergo Haki purple?
4. What is the Haki of shanks?
5. Did Shanks see Luffy in marineford?

Does Vergo have Haki?

Vergo possesses the ability to use Kenbunshoku Haki.

Does Vergo use armament Haki?

For armament haki. Vergo excels at armament haki, as shown in his fight at punk hazard. He dominated smoker with just armament weapon, where as when he went all out full body haki against law, he still got owned and cut in half.

Why is Vergo Haki purple?

The Armament haki (busoshoku) is the ability to project your spirit into armor. Vergo maybe mastered his armament haki. So this purple tint to his haki could’ve been his spirit’s nature, the same to Luffy where he got his own shade.

What is the Haki of shanks?

Haoshoku HakiBusoshoku HakiShanks/Haki power

Did Shanks see Luffy in marineford?

Note: During the Marineford Arc, Shanks saw Luffy but, Luffy was not in his sense. SO that was not counted as meeting.