Haki

Haki is a power from One Piece.

Variations
Haki comes in three variations, with users being able to access one, two or all three variations.

Color of Arms Haki

 * Force Armor Generation
 * Negation of Elemental Intangibility

Color of Observation Haki

 * Enhanced Senses
 * Precognition

Conqueror's Haki

 * Submission of Weak Willed Individuals

Users

 * Portgas D. Ace