Pokémon Ranger and the Temple of the Sea

Manaphy bonds with May because the egg hatches in her arms. In Pokémon lore, Mythical Pokémon imprint on whoever is holding them when they hatch, seeing that person as their mother. May was physically holding the egg when it hatched, creating an instant maternal bond that drives much of her protective behavior throughout the film.

The bond is foreshadowed earlier when Pikachu forms a quick rapport with May, hinting at her natural affinity with Pokémon.

Samiya is an ancient underwater palace built by the People of the Water, an extinct civilization that the Marina Group traces their lineage back to. The palace relies on the Sea Crown, a mystical artifact, to rise and sink. Manaphy is needed because it is a Mythical Pokémon with a special connection to the sea, and its presence is tied to the palace's destiny and survival.

Walker explains that he sees May and Manaphy as a hopeful future for Samiya, indicating the Pokémon's importance to the palace's fate.

Phantom plans to unlock the Sea Crown by removing its jewels, which are the source of its power. By stealing these gems, he intends to seize the legendary power for himself. Removing the jewels triggers catastrophic flooding, which he apparently believes he can control or survive while others perish.

Phantom's single-minded pursuit of the egg from the very beginning hints at his knowledge of its connection to something valuable.

When Phantom removes the jewels from the Sea Crown, Samiya begins to flood immediately, threatening to drag the entire city underwater. The jewels are the source of the Crown's power to keep the palace afloat. Walker manages to reconnect most of the jewels, but it's not until Manaphy returns to place the final jewel that Samiya is fully restored and rises back toward the surface.

The Sea Crown is introduced as the palace's central artifact composed of several large jewels, establishing their importance early.

Ash glows with an aura because he helped restore the Sea Crown by placing the jewels back together. The Crown's restored power grants him a protective aura, enabling him to pursue Phantom's submarine and rescue Manaphy. This aura appears to enhance his abilities and determination during the climactic rescue.

Ash's involvement in rebuilding the Crown connects him directly to its power, explaining why the aura manifests for him specifically.

Manaphy must return to Samiya because it is a Mythical Pokémon whose destiny is tied to the underwater palace. While the bond between May and Manaphy is genuine and heartfelt, Manaphy's role in maintaining Samiya's safety and its connection to the People of the Water require it to stay in its rightful home. The separation is bittersweet but necessary for Manaphy's destiny.

Walker warns May early about the weight of what Manaphy's role will demand, foreshadowing the eventual goodbye.

Jackie is a Pokémon Ranger who infiltrates Phantom's crew by disguising herself as one of his pirates. She steals the Manaphy egg from Phantom and escapes to join the Marina Group, planning to deliver the egg safely to Samiya. After successfully delivering the egg to the group, Jackie continues her mission but her exact whereabouts after joining the Marina Group are not detailed in the main narrative.

Jackie's infiltration is revealed early when she slips into Phantom's crew and then moves to the Marina Group.

The People of the Water are an ancient civilization that built Samiya and are the ancestors of the Marina Group. They created the Sea Crown and had a special relationship with sea Pokémon. The Marina Group traces its lineage back to this civilization, giving them a historical connection to Samiya and the responsibility of delivering Manaphy to the palace.

Lizabeth gives May a bracelet known as the People of the Water's Mark, symbolizing this ancestral connection.

Kyogre appears during the final battle because Manaphy, as a Mythical Pokémon connected to the sea, calls upon wild Water-type Pokémon for help. Kyogre, one of the legendary Pokémon of the sea, responds to this call and joins other Water-types to defend Manaphy against Phantom. This helps turn the tide and allows Ash to rescue Manaphy before Phantom can escape.

Manaphy's status as a Mythical Pokémon with sea-related powers establishes its ability to connect with legendary Water-types.

When May's bandanna is swept away by wind, Manaphy dives into the open ocean to retrieve it. This reckless act triggers a dramatic chase as the group pursues Manaphy into the depths. Lizabeth, piloting a submarine, joins the pursuit, and this chase ultimately leads them to discover the submarine and continue their journey toward Samiya.

May's bond with Manaphy is strong enough that the Pokémon risks everything to retrieve her belongings, showing their close connection.

The Sea Crown is an ancient artifact composed of several large jewels that serve as the power source for Samiya. When the jewels are in place, the Crown's magic keeps the underwater palace floating. When Phantom removes the jewels, the power is disrupted and Samiya floods and sinks. Restoring the jewels, especially with Manaphy's help, allows the palace to rise again.

The Sea Crown is introduced as Samiya's central artifact, establishing its importance to the palace's survival.