Ultra Deep Sea

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Ultra Deep Sea Ultra Space ウルトラディープシー Ultra Deep Sea "Wild Missingno. appeared!"
Map description:	{{{mapdesc}}}
Location:	Ultra Space
Region:	Unknown
Generations:	VII
Location of Ultra Deep Sea in Unknown.
Pokémon world locations

Ultra Deep Sea (Japanese: ウルトラディープシー Ultra Deep Sea), known as Ultra Space (Japanese: ウルトラスペース Ultra Space) in Pokémon Sun and Moon, is the home dimension of Nihilego.

In Pokémon Sun and Moon, it is the place where Lusamine is confronted for the final time. The player and Lillie reach it through a portal Nebby, now a Solgaleo^S/Lunala^M, creates after it evolves at the Altar of the Sunne^S/Altar of the Moone^M. The player can return to their world to prepare by talking to Solgaleo^S/Lunala^M.

Geography

Ultra Deep Sea is a dark world with many caves that include several colorful rocks in the shape of flora on the walls that resemble diamonds. The area that the player arrives in containes a small pathway that the player can navigate through. Nigilego can be actively seen traveling through the area. There is also a small rocky platform in the middle of the area that the player can sit on to attract the local Nihilego.

Role

Pokémon Sun and Moon

Spoiler warning: this article may contain major plot or ending details.

The player and Lillie first arrive here to retrieve Guzma and Lusamine and save the Aether Foundation president from herself. Guzma stops them as they proceed forward, warning them of the dangers ahead. When he arrived in Ultra Space, he had tried to capture one of the Ultra Beasts, but it possessed him. Fully aware he was being controlled by something else, Guzma felt fear for the first time in his life. He then tells Lillie that Lusamine is too far gone, but Lillie is not deterred.

Further inside, five of the same Ultra Beasts appear in front of Lillie, before dispersing and revealing Lusamine. Lusamine reveals the true name of UB-01, Nihilego, and chastises her daughter for intruding on her paradise. Lillie tries to reason with her but is quickly shut down, told to leave, and disowned by Lusamine. Lillie finally stands up to her mother, saying that children are not just things that belong to parents, and that Pokémon aren't just things that belong to Trainers. Lusamine blames the player for Lillie's defiance, and releases a Nihilego from a Beast Ball, merging with it before battling the player with the rest of her Pokémon.

After the player defeats Lusamine, Lillie calls Solgaleo^S/Lunala^M to help as the merged Lusamine/Nihilego prepares to attack her. The Legendary Pokémon roars, forcing Nihilego and Lusamine apart and sending the Ultra Beast back to its Ball. Exhausted, Lusamine falls to the floor, and Lillie runs to her mother. With the last of her strength, Lusamine asks her daughter when she became so beautiful before losing consciousness. Suddenly, the area grows unstable and Nihilego start surrounding the player, Lillie, Guzma, and Lusamine. Acting fast, Solgaleo^S/Lunala^M teleports the group out of Ultra Space before the Nihilego swarms can catch up to them.

It is impossible to return to Ultra Space after defeating Lusamine.

	Spoilers end here.

Pokémon Ultra Sun and Ultra Moon

Ultra Deep Sea can be accessed through Rarity 1 warp holes in Ultra Warp Ride, within a couple of thousand light-years of Alola.

Special encounters

Pokémon Ultra Sun and Ultra Moon

Nihilego can be encountered and caught here, with the first being summoned by sitting in the spot Lusamine was seated in Sun and Moon. One Nihilego will spawn per visit. Nihilego will appear as ??? and will not be registered as seen in the Pokédex until caught.

Aura: +2 Special Defense

Types: Rock Poison Ability: Beast Boost Held item: None ??? Lv.60 Power Gem Rock Special   --       Acid Spray Poison Special   --       Stealth Rock Rock Status   --       Mirror Coat Psychic Special   --

Trainers

Pokémon Sun and Moon

Each of Lusamine's Pokémon has an aura that boosts one of its stats, similar to the aura seen on the Totem Pokémon. Her Pokémon all have a perpetual angry expression, the same as when a Pokémon uses a Z-Move.

Aether President Lusamine Ultra Space Sun and Moon

Type: Fairy Unknown Ability: Magic Guard Held item: None Clefable♀ Lv.50 Sp. Def +1 Moonblast Fairy Special   --       Cosmic Power Psychic Status   --       Metronome Normal Status   --       Moonlight Fairy Status   --       Type: Grass Unknown Ability: Own Tempo Held item: None Lilligant♀ Lv.50 Sp. Atk +1 Leech Seed Grass Status   --       Petal Dance Grass Special   --       Teeter Dance Normal Status   --       Stun Spore Grass Status   --       Type: Ghost Unknown Ability: Levitate Held item: None Mismagius♀ Lv.50 Speed +1 Shadow Ball Ghost Special   --       Power Gem Rock Special   --       Mystical Fire Fire Special   --       Pain Split Normal Status   --       Type: Water Unknown Ability: Marvel Scale Held item: None Milotic♀ Lv.50 Attack +1 Hydro Pump Water Special   --       Recover Normal Status   --       Safeguard Normal Status   --       Flail Normal Physical   --       Types: Normal Fighting Ability: Fluffy Held item: None Bewear♀ Lv.50 Defense +1 Baby-Doll Eyes Fairy Status   --       Hammer Arm Fighting Physical   --       Take Down Normal Physical   --       Pain Split Normal Status   --

In the anime

Ultra Deep Sea in the anime

Ultra Deep Sea first appeared in Rescuing the Unwilling! and 10,000,000 Reasons to Fight!, where Ash and his classmates traveled there by riding on Nebby in order to save Lusamine, who had been kidnapped and taken there by a Nihilego. Upon arrival, the group saw multiple Nihilego floating around, and soon discovered the one that had kidnapped Lusamine. Unfortunately, the Ultra Beast had fused with Lusamine and was affecting her mental state, causing her to fall into childish tantrums and be unwilling to leave, sending out her Pokémon to battle the group. The group chose to split up to battle each Pokémon, with Kiawe battling Lusamine's Salazzle; Lana, Mallow, Sophocles facing Milotic, Lilligant, and Mismagius; Gladion taking on Absol; and Lillie facing Clefable. Like Lusamine herself, her Pokémon were also under Nihilego's influence, causing them to rise back up even when it seemed like they were finally beaten. Lillie managed to use her Poké Doll to reignite Clefable's memories of their past together, allowing her to return Clefable back to normal.

While his friends stayed behind, Ash pursued Lusamine herself. Eventually, Lillie and Gladion joined him, and Lillie gave her mother a speech which seemed to start breaking her out of Nihilego's influence. Unfortunately, the Parasite Pokémon then took complete control of her, not wanting to let go of its host. As Gladion had already used Continental Crush earlier during his battle with Absol and thus exhausted his chance to use a Z-Move, he left the battle against the Ultra Beast to Ash. Unexpectedly, Ash's Electrium Z suddenly transformed into Pikashunium Z, allowing him and Pikachu to use a new Z-Move, which Ash dubbed 10,000,000 Volt Thunderbolt. This massive attack was powerful enough to defeat the Ultra Beast, causing it and Lusamine to be separated and the rest of Lusamine's Pokémon to return to normal as well. Afterwards, everybody rode Nebby back to their own world.

In The Homecoming Crown!, it was revealed that Mohn had wound up in the Ultra Deep Sea after disappearing into an Ultra Wormhole years earlier. He had been rescued by a Shiny Nihilego, who took him back to his own world through another wormhole, exiting it at the Crown Tundra.

In the manga

Ultra Deep Sea in Pokémon Adventures

Pokémon Adventures

Sun, Moon, Ultra Sun & Ultra Moon arc

Ultra Deep Sea first appeared in Adventure in the Dark Dimension. Sun and Moon arrived there after getting separated from Lunala in their attempt to rescue Solgaleo after it was possessed by Necrozma. They spent six months there, only surviving because their bodies stopped needing food and getting sick while they remained in the area. Sometime later, they spotted Lunala arriving at the area, only to find that it was being ridden by Dulse and Zossie of the Ultra Recon Squad. When Sun heard them talking about their work with the Aether Foundation, he assumed them to be enemies and tried to attack them, but Moon managed to calm the situation down. Eventually, Dulse agreed to stay behind so that Sun and Moon could ride Lunala with Zossie and travel to Ultra Megalopolis.

In the TCG

Sea of Nothingess Cards listed with a blue background are only legal to use in the current Expanded format. Cards listed with a green background are legal to use in both the current Standard and Expanded formats.
Card	Type	English Expansion	Rarity	#	Japanese Expansion	Rarity	#
Sea of Nothingness	St	Crimson Invasion		99/111	Ultradimensional Beasts		048/050

Trivia

Rotom unresponsive in Ultra Space in Pokémon Sun and Moon

• In Pokémon Sun and Moon, the Rotom Pokédex does not have a map for Ultra Space, does not respond to any input, and does not speak while inside.
• In Pokémon Sun and Moon, if a Pikachu, Cubone, or Exeggcute is evolved here, it will evolve into an Alolan Raichu, Marowak, or Exeggutor, respectively. However, in Pokémon Ultra Sun and Ultra Moon, these Pokémon will instead evolve into their Kantonian forms.

In other languages

Ultra Deep SeaUSUM Language Title Chinese Cantonese 究極深海 Gaugihk Sāmhói Mandarin 究極深海 / 究极深海 Jiūjí Shēnhǎi French Ultra-Abysses German Ultratiefsee Italian Ultrabisso Korean 울트라딥시 Ultra Deep Sea Spanish Ultraabismo Vietnamese Biển sâu Ultra

Ultra SpaceSM Language Title Chinese Cantonese 究極空間 Gaugihk Hūnggāan Mandarin 究極空間 / 究极空间 Jiūjí Kōngjiān French Ultra-Dimension German Ultradimension Italian Ultramondo Korean 울트라스페이스 Ultra Space Russian Ультраизмерение Ul'traizmereniye Spanish Ultraespacio Vietnamese Chiều không gian Ultra

Alola
Islands Melemele Island • Akala Island • Ula'ula Island • Poni Island • Aether Paradise Settlements Iki Town • Hau'oli City (Outskirts) • Heahea City • Paniola Town • Konikoni City • Royal Avenue • Malie City Tapu Village • Po Town • Seafolk Village • Pokémon League Trial sites Verdant Cavern • Brooklet Hill • Wela Volcano Park • Lush Jungle • Hokulani Observatory Thrifty Megamart (Abandoned Site) • Exeggutor Island • Vast Poni Canyon • Seafolk Village Routes 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 Landmarks Mahalo Trail • Trainers' School • Hau'oli Cemetery • Berry fields • Melemele Meadow • Seaward Cave • Kala'e Bay • Ten Carat Hill Tide Song Hotel • Paniola Ranch • Melemele Sea • Diglett's Tunnel • Battle Royal Dome • Memorial Hill • Akala Outskirts • Ruins of Life Hano Grand Resort • Hano Beach • Malie Garden • Mount Hokulani • Blush Mountain • Ula'ula Beach • Aether House • Haina Desert Ruins of Abundance • Ula'ula Meadow • Lake of the Moone • Lake of the Sunne • Shady House • Poni Wilds • Ancient Poni Path Poni Breaker Coast • Ruins of Hope • Altar of the Sunne • Altar of the Moone • Mount Lanakila • Ruins of Conflict Poni Grove • Poni Plains • Poni Meadow • Resolution Cave • Poni Coast • Poni Gauntlet • Battle Tree Festival Plaza • Poké Pelago • Big Wave Beach • Sandy Cave • Heahea Beach • Pikachu Valley • Dividing Peak Tunnel Kantonian Gym • Poni Beach • Plains Grotto • Team Rocket's Castle Ultra Space Ultra Deep Sea • Ultra Megalopolis • Megalo Tower • Ultra Jungle • Ultra Desert • Ultra Plant Ultra Forest • Ultra Crater • Ultra Ruin • Ultra Space Wilds

This article is part of Project Locations, a Bulbapedia project that aims to write comprehensive articles on every location in the Pokémon world.