The Shadow Dance cleaved through the waves, its bow raised high as it rode through the seas of the latter half of the Grand Line. Personally commanded by Sabo, this fine vessel of the Revolutionary Army carried three Guardians toward the legendary Aurora Island.
Lin Ye stood in the center of the deck, his purple robe snapping in the sea breeze. Luffy and Ace stood on either side of him, the Purple Patterns on their arms faintly appearing and fading beneath the sunlight, pulsing subtly as though alive.
"Now, focus your attention," Lin Ye said calmly, his voice clear even amid the roar of the waves. "Feel the flow of energy within you, as natural as blood flowing through your veins."
Luffy closed his eyes and tried to follow Lin Ye's instructions, but soon frowned. "This is so hard! I can't feel anything special."
Ace did better. The Runes on his chest had already begun to glow faintly. "I can feel a warm current, but I can't control where it goes."
Lin Ye smiled slightly. "Don't rush. This requires time and patience. Rune Energy differs from the Devil Fruit powers you know. It isn't an external force, but a resonance between your own souls and the dimensions."
He gently raised his right hand, and a wisp of purple light appeared at his fingertips. As his fingers moved, the light shifted into various shapes—a sword, a shield, a bird, a flower. Each form was lifelike, lingering briefly in the air before fading away.
"Observation Haki helps you sense the outside world, Armament Haki strengthens your power, while Rune Energy connects different dimensions, allowing you to touch possibilities beyond reality."
Luffy's eyes widened as he watched Lin Ye's demonstration in amazement. "That's amazing! Can I do that someday too?"
"Of course, as