Grandpa Ryu was the ancient Sennenryu dragon who journeyed with the Straw Hat Pirates and Apis through the anime-original Warship Island Arc. Aged and frail, he longed to reach the dragons' nesting grounds before his life ended.
Ryu took the form of an aged gray dragon, his back and wings lined with green feathers.
Gentle toward those around him, Ryu responded warmly to Apis as she looked after him, and his caring nature showed in the alarm he felt when Eric flung Apis from his back and hurt her. Age had left him senile at times, to the point that he mistook Luffy and Usopp for food and tried to eat them. For reasons tied to the Voice of All Things, Luffy alone could understand his words and carried his final message to Apis.
As a dragon, Ryu was built to soar wherever he wished, though his years usually left him too weak for flight; given enough motivation, he could still take to the air. His body retained real power despite his frailty, letting him deflect and bat away tumbling chunks of stone, knock Eric flying with a single wing strike, and absorb several cannonballs in midair before going down. His lungs were tremendous, capable of a roar so deafening it threw an entire Marine fleet into disarray and sent visible shockwaves rippling across the water.

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Grandpa Ryu is fatally wounded after flying into Nelson Royal's fleet and taking heavy cannon fire; he crashes into the sea but rises once more to declare it is time before dying as the Sennenryu dragons arrive and Lost Island rises around him.
Luffy can understand Grandpa Ryu's words because of a connection to the Voice of All Things, letting him alone among the crew grasp what the ancient dragon says and carry his final message to Apis.
After Grandpa Ryu dies, Apis finds a dragon egg that hatches into a newborn sharing his eyes, suggesting the baby dragon is Grandpa Ryu's reincarnation.
Grandpa Ryu is a companion to Apis, who can speak with him thanks to the power she gained from eating the Hiso Hiso no Mi, and she protects his secret and cares for him throughout the Warship Island Arc.
Grandpa Ryu is an ancient dragon capable of flight, though his age usually leaves him too weak to fly; his body still holds great power, letting him deflect falling rubble, knock away enemies with a wing strike, and unleash a roar strong enough to send an entire Marine fleet into disarray.
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View on FandomThis content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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