Ultra Necrozma Movesets - Sweeper [2 Options]

[Kris]

Artwork by GAME FREAK

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Ultra Necrozma is an extremely powerful Pokemon, it's BST outclasses Arceus, it's Ability Neuroforce increases the power of super-effective moves by 20%, and it's Z-Move Light That Burns The Sky can pretty much act as a one time nuke to really tanky Pokemon. Necrozma's new signature attack Photon Geyser becomes Physical or Special depending on which stat is higher on Necrozma, essentially meaning Photon Geyser can be used on Physical and Special sets no worry. There is a minor drawback to Ultra Necrozma, and that is it needs to hold it's Z-Crystal in order to transform. It isn't too much of a drawback overall, but Necrozma's fused forms have really low Speed, making pre-transformation setup a little harder. 

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Type:
Base Stats: Hp: 97 Attack: 167 Defense: 97 Sp.Atk: 167 Sp.Def: 97 Speed: 129
Weaknesses:  x2  x2  x2  x2  x2 x2
Resistances:  x0.5 x0.5 x0.5 x0.5 x0.5 x0.5
Immunities: None
Ablities: Prism Armor (Base Form, Fused Forms), Neuroforce (Ultra Burst)

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Set 1 (Calm Mind Sweeper)


Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Earth Power  
- Photon Geyser  
- Dragon Pulse

This set is a fairly standard go-to Necrozma set, Calm Mind will boost Necrozma's Sp.Atk and Sp.Def by 1, and coupled with a monstrous 167 base Sp.Atk, Necrozma will be able to tear through a lot of Pokemon that don't resist it's moves or are Sp.Def tanks. The moves on this set are; Earth Power which is used to eliminate Aegislash, a common threat to Necrozma, as well as being able to hit Dialga, Mega Metagross and Solgaleo/Necrozma Mane of Twilight super-effectively, as well as non-Balloon Heatran and Mega Diancie. Photon Geyser is Necrozma's best Psychic STAB move, with no recharge turn like Prismatic Laser. It can hit Marshadow and easily OHKO it, as well as Naganadel, Pheromosa and Mega Gengar super-effectively. It's also Necrozma's most reliable attack against Landorus. Dragon Pulse brings it all together, hitting other dragon types such as other Necrozma and Mega Salamence. The EV Spread is all you need for this set to work, 252 Speed and a Timid Nature gives it it's best possible speed stat, and 252 Sp.Atk gives it an extremely high Sp.Atk stat of 433. 

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Damage Calculations

Offensive: 

• 252 SpA Neuroforce Necrozma-Ultra Earth Power vs. 252 HP / 252+ SpD Aegislash-Blade: 308-364 (95 - 112.3%) -- 68.8% chance to OHKO after Leftovers recovery
  Possible damage amounts: (308, 312, 316, 320, 322, 326, 330, 334, 338, 342, 344, 348, 352, 356, 360, 364) (A CM Boost gets a guaranteed OHKO)
  
• +1 252 SpA Necrozma-Ultra Photon Geyser vs. 0 HP / 0 SpD Landorus-Therian: 357-420 (111.9 - 131.6%) -- guaranteed OHKO
  Possible damage amounts: (357, 360, 364, 369, 373, 378, 381, 385, 390, 394, 399, 402, 406, 411, 415, 420)
  
• 252 SpA Neuroforce Necrozma-Ultra Dragon Pulse vs. 0 HP / 4 SpD Necrozma-Ultra: 410-486 (122.3 - 145%) -- guaranteed OHKO
  Possible damage amounts: (410, 416, 420, 426, 432, 434, 440, 446, 450, 456, 458, 464, 470, 474, 480, 486)
  
• 252 SpA Neuroforce Necrozma-Ultra Photon Geyser vs. 252 HP / 252+ SpD Toxapex: 266-314 (87.5 - 103.2%) -- 18.8% chance to OHKO
  Possible damage amounts: (266, 270, 272, 276, 278, 282, 284, 288, 290, 294, 296, 300, 302, 306, 308, 314)
  
• 252 SpA Neuroforce Necrozma-Ultra Earth Power vs. 0 HP / 0 SpD Diancie-Mega: 262-310 (108.7 - 128.6%) -- guaranteed OHKO
  Possible damage amounts: (262, 266, 268, 272, 274, 278, 282, 284, 288, 290, 294, 296, 300, 302, 306, 310)
  

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Set 2 (Mixed Attacker)

Necrozma-Ultra @ Ultranecrozium Z  
Ability: Neuroforce  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Knock Off  / Iron Head
- Earthquake  
- Photon Geyser  
- Dragon Pulse

The second set is a mixed set which uses Necrozma various Physical coverage moves like Earthquake, Knock Off and Iron Head for example. The only reason Dragon Pulse is still here is because Necrozma doesn't Dragon Claw, only Outrage, which is indeed strong, but unreliable with my testing. It offers an easy switch in for Z-Geomacy Xerneas to set up. the common Xerneas sets run Bold, max Defense / HP so Iron Head wont even 2HKO it, even with Neuroforce. However, Iron Head does OHKO Tapu Lele and Earthquake is great all-round coverage. Photon Geyser will now always be a Physical move as Necrozma's attack is higher than it's Special Attack. I go with a Naive Nature so it can still survive various priority moves notably Shadow Sneak and Sucker Punch. 

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Damage Calculations 

• 4 SpA Neuroforce Necrozma-Ultra Dragon Pulse vs. 0 HP / 0 SpD Kyurem-White: 344-408 (87.9 - 104.3%) -- 25% chance to OHKO
  Possible damage amounts: (344, 348, 354, 356, 362, 366, 368, 374, 378, 380, 386, 390, 392, 398, 402, 408)
  
• 252 Atk Neuroforce Necrozma-Ultra Earthquake vs. 248 HP / 8 Def Groudon-Primal: 208-246 (51.6 - 61%) -- guaranteed 2HKO
  Possible damage amounts: (208, 210, 214, 216, 218, 220, 222, 226, 228, 230, 232, 236, 238, 240, 242, 246)
  
• 252 Atk Neuroforce Necrozma-Ultra Knock Off (97.5 BP) vs. 240 HP / 156 Def Mew: 264-312 (65.8 - 77.8%) -- guaranteed 2HKO after Leftovers recovery
  Possible damage amounts: (264, 268, 270, 274, 276, 280, 282, 286, 290, 292, 296, 298, 302, 304, 308, 312)
  

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Team Options 

• Naganadel to clear Fairy types like the Tapus and Xerneas, a secondary option is of course Toxapex to instead tank heavy hits Necrozma can't take.
  
• Tapu Lele can assist Necrozma with Psychic Surge which will block moves like Marshadow's Shadow Sneak and simultaneously boosting Necrozma's Psychic type attacks.
  
• Landorus and other OU/Uber Trap Setters will obviously help the team out, just pick them to work around your team.
  

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Notable Threats 

• Xerneas is able to take hits from Necrozma easily and OHKO it with Moonblast, even without a Geomacy boost
  
• Z Dark Pulse Darkrai OHKOes Necrozma and also lives hits from non-boosted Necrozma
  
• Bisharp's STAB priority in Sucker Punch poses a major threat to Necrozma, other priority users include Marshadow and Aegislash
  

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Other Notable Moves 

• Rock Slide
  
• Flash Cannon
  
• Heat Wave