Storm Border

The Dimensional Boundary Perforation Vessel: Storm Border (次元境界穿孔艦ストーム・ボーダー^?) is an advanced ship created and used by the survivors of Chaldea in Fate/Grand Order: Cosmos in the Lostbelt.^[1][2]

Principles[]

The Storm Border was created in the Atlantic Lostbelt after Chaldea had gathered the resources necessary to construct a vessel to face the forces of Atlantis and Olympus, with the Nautilus having previously been destroyed by Artemis shortly after entering the Lostbelt. It was constructed through an application of the Hephaestus Klironomia and the power of the Divine Spirit Triton within Captain Nemo's Saint Graph, with the Shadow Border as its core and the Nautilus as its keel.^[3]

A dimensional boundary perforation vessel,^[3] capable of flight and operating above and below the sea,^[1][2] the Storm Border is larger than a modern nuclear submarine.^[3] With Nemo's Saint Graph defined, the Shadow Border can be detached to serve as a landing vehicle or an emergency escape craft, a relationship which Da Vinci equated to that of a mother turtle and a baby turtle. The computer space available to Da Vinci has been greatly expanded, though the design has been made to keep the burden on her computing room as low as possible.^[3]

The submarine is armed with torpedoes.^[4][5][6][7] It possesses at least six Virtual Triton Engines which can draw power from Imaginary Number Space to power certain armaments.^[8]

Human Order Foundation Display[]

The Human Order Foundation Display (人理定礎盤^?) is a device to measure how much Chaldea has deviated from Proper Human History. Created at the request of Da Vinci in collaboration with Sion, it's an "event discrepancy measurement/tuning meter", different from the Human Order Foundation Value measurement in that it doesn't analyze the Human Order Foundation of an entire human history, but rather that of the Storm Border itself. The value on the display shows Chaldea's (and its occupants') current distortion, which they need to raise to A to cross the Wall of the Human Order in Antarctica.^[9]

History[]

Fate/Grand Order: Cosmos in the Lostbelt[]

Atlantis: Ancient Ocean of the Dreadnought Gods[]

After the events on Eris Island, the Storm Border was created by combining the Hephaestus Klironomia, pushed to their limits, and the power of Triton, with Nemo's Nautilus and the Shadow Border as a base.^[3] Not long afterwards, the ship fought alongside the Argo and the Royal Fortune in the sea battle against the Atlantean fleet lead by Odysseus.^[4][5][6]

After Artemis was shot down by Orion, the Storm Border descended into the Big Hole and faced Poseidon,^[7][10] who immediately rammed the submarine and temporarily incapacitated its main engine. With its weapons unable to penetrate Poseidon's shield, the Storm Border got close enough to the shield's weak point to deploy the Shadow Border onto Poseidon so the crew could destroy his cores directly. Once the cores were destroyed and the Shadow Border retrieved, the Storm Border cleared Poseidon's corpse out of its way with torpedoes before continuing its plunge, managing to reach Olympus.^[7]

Olympus: Interstellar Mountainous City[]

Shortly after arriving at Olympus, the Storm Border was attacked by Zeus's lightning and sustained damage, forcing it to crash-land in an area west of the city.^[11] It was eventually repaired and used to get Musashi close enough to seal the dimensional rift which Chaos was using to try and reach Earth,^[12] as well as when Chaldea departed the Lostbelt.^[13][14]

Avalon le Fae: Fae Round Table Domain[]

The Storm Border is used to travel from Chaldea's base at the Wandering Sea to the English Lostbelt and physically pierce through the wall of light surrounding it, rather than the previous method of using the Shadow Border's Zero Sail to enter Lostbelts. Once they arrive in the sea near Cornwall however, the Storm Border's power shuts off due to something within the Lostbelt. While Nemo, Goredolf, Holmes, and the rest of Chaldea's crew stay on the Storm Border, Fujimaru, Mash, and Da Vinci travel ashore to Britain. Da Vinci estimates that the Storm Border can last 50 days before it runs out of supplies.

Chaldea later flies the Storm Border to the Great Pit in the center of Britain, using it to battle Calamity of Fire Albion and Cernunnos.

Tunguska Sanctuary: Anti-Primate Ecosphere[]

When the Alien God locates and destroys the Wandering Sea, Chaldea is forced to evacuate on the Storm Border. The ship becomes their new base of operations before the final battle.^[15]

Nahui Mictlan: Golden Sea of Trees Travelogue[]

The Storm Border has been fitted with Artoria Caster's Holy Sword as its cannon, named Hume-Barrel Rayproof by Da Vinci, hoping it can be enough against the Alien God. They are almost immediately attacked by the Alien God as soon as they arrive in the South American Lostbelt. The fight is interrupted by a giant being of light native to the Lostbelt, which heavily damages the Storm Border, tossing Fujimaru, Mash, the Alien God, and a Nemo Marine into the jungle, and critically injuring Captain Nemo. Nemo does his best to maneuver the ruined ship into an emergency crash landing.^[8]

With the help of the deinos, Chaldea repairs the Storm Border and uses it in the battle against ORT.

References[]