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1 vote
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If you have a good competitive moveset for Diancie, post an answer below and upvote the best ones. Movesets for its pre-evolutions, if any, can also be shared on this thread.

Be sure to include full set details in your post, e.g. items, abilities, natures and EVs. Some detail, including the intended game mode for your set, is also appreciated. Access the full list of guidelines here.

Diancie Pokédex and learnset for reference.

Sprite

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Haha Fizz, what a legend xD
why the downvote?
ikr.. (Filler)

First time I've ever seen a move set question in the negative!
Back when I used to do the moveset questions, some of them would be in the negative.
Wow, really?

(Idk what's the biggest shock: Knowing that moveset questions had down votes, or that trachy answered xD)

26 Answers

5 votes

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Diancie @ Diancite
Ability: Clear Body
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- Moonblast
- Earth Power
- Diamond Storm
- Hidden Power [Fire]

This set allows Mega Diancie to function as a mixed sweeper, Naive Nature increases it's Speed while decreasing it's Special Defense. Hasty Nature, which increases Diancie's Speed, while decreasing it's Defense can be run in opt of Naive, however Naive is the preferred option.

Moonblast and Diamond Storm are STAB, Earth Power covers Steel-types- most notably, Heatran- which would completely wall you without it. Earth Power also allows Mega Diancie to hit Electric- and Rock-types super effectively. Hidden Power [Fire] allows Mega Diancie to hit Pokémon it wouldn't otherwise be able to hit, this includes hitting Steel-types such as Ferrothorn and Scizor (on the switch in).

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Edit: I just realised that Diancie apparently gets Earth Power from the ORAS Move Tutors, so choose Hidden Power Fire over Hidden Power Ground and get rid of Psyshock for Earth Power. The above moveset should be sufficient until ORAS comes out though.
I'd Post my Mega Diancie, but this basically sums mine up. +1'd!
Thanks.
The only thing  that bothers me about this set is that HP fire lowers your Speed IV, which prevents you from speed tying with other Pokemon in the Base 110 Speed benchmark.  Not that HP Fire is a bad option though.  I put Calm Mind there because Diancie can usually sweep at just +1
@97eml1 I am from the future. In my timeline, due to hyper training, no worries of static lowering
3 votes

enter image description here
Role: Trick Room setter and Lead

Diancie @ Leftovers
Ability: Clear Body
EVs: 252 HP / 252 Atk / 4 Def or 252 HP / 252 Def / 4 Atk
Brave / Sassy Nature
- Stealth Rock / Protect
- Trick Room
- Diamond Storm
- Toxic

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This is a good set for my Ampharos! Thank you! A lot people expect me to mega evolve this thing. Nope.  lol
A little bit late, but..
...Ampharos? Ampharos with Diamond Storm and Clear Body?
I'm confused.
3 votes

Diancie @ Diancite
Ability: Clear Body ---> Magic Bounce
EVs: 252 Atk / 4 SpA / 252 Spe
Naive Nature
- Diamond Storm
- Explosion
- Moonblast
- Earth Power

Was thinking of a fully physical set, but tbh it's practically impossible to make a good dedicated set with Diancie. Max Attack and Speed make it physically based, while Naive allows Moonblast and Earth Power to deal decent damage. Diamond Storm is great STAB and Explosion is possibly my favourite move, and with Mega Diancie's base 160 Attack stat hits very hard.

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2 votes

Diancie is based >:O

enter image description here
Diancie @ Diancite
Ability: Clear Body
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Earth Power
- Diamond Storm
- Moonblast
- Rock Polish

REJECT THE SMOGON DIANCIE

Rock Polish lets Mega-Diancie sweep opposing teams with a little initial help in removing counters. Moonblast is obligatory STAB that allows to bash anything that doesn't resist it is specially bulky. Earth Power smacks Metagross, Magnezone and all them other scrub things nice and hard >:O. Diamond Storm is the move to beat annoying crud like Talonflame e.e.

A Timid Nature is used to maximise speed, in order to speed tie with the likes of Latios before using Rock Polish and to preserve bulk. The attack drop caused is barely noticeable, as Diamond Storm will only really be used to bash apart things like Talonflame. Most OHKOs, 2HKOs and 3HKOs using Diamond Storm remain the same, with or without a neutral/reducing nature, so moar bulk pl0x! EVs max out Offensive stats, and remaining 4 chucked onto HP.

This set can't beat Ferro without it being seriously weakened, but hey, what are teammates for o3o. Also this one sweeps so much better >.< since it can't be revenge killed by dumb things like Greninja and Scarf Magnezone after a Rock Polish ;I!

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Shouldn't be Naive or Hasty instead of Timid? Timid lowers Attack and Diamond Storm is Physical o3o
Like I said, the attack drop is barely noticeable in my answer.The ony things which you'll be majorly going after are like Talon, which die to Diamond Storm with or without the nature. It's more important to maintain bulk in order to switch in a little bit easier, and defense helps tanking Talonflame, which Diancie is an excellent check to
In spite of what you say there's no reason to really not run  Naive Nature and the Sp. Defense drop is not very significant, whilst The Attack Drop is there whenever you attack with Diamond Storm.  Just because it can KO Talonflame or other things 4X weak to Rock with a Timid Nature doesn't mean that the Attack Drop is irrelevant, since you can still very easily end up hitting something else when they switch out for less damage than you could be doing, and makes it much less spammable.  On top of that, since the drop is  minuscule, there  is no practical special priority in the game, and it has weaknesses to Grass, Ground, Steel, and Especially Water, the scenario where the Sp. Defense boost provided would prove beneficial is virtually nonexistant in OU.
2 votes

Diancie
Diancie @ Leftovers
Ability: Clear Body
EVs: 252 HP / 252 Def / 4 SpA
Modest Nature
- Calm Mind
- Substitute / Ancient Power
- Moonblast
- Earth Power

Sub + Calm Mind. Substitute can be replaced with Ancient Power, but I personally don't use it. Moonblast is STAB, and Earth Power is neccesary to avoid being completely walled by Steel-types.
The EVs are standard fully Defensive, because Special Attack can be boosted by CM, and makes this guy an amazing bulky sweeper. You could shift some of the Defense EVs to Special Attack though, because it is already so high.

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1 vote

This is for a Diancie that does not Mega Evolve. Its Attack and Speed are greatly boosted upon Mega Evolving, so in that case an offensive moveset may easily work better. In this case, though, I see it as a wall with ability to wait out even powerful sweepers.

Diancie @ Leftovers
Ability: Clear Body
EVs: 4 HP / 252 Def / 252 SpD
Sassy Nature
- Reflect
- Light Screen
- Stealth Rock
- Toxic

Reflect and Light Screen both play to Diancie's enormous defenses, which are as high as Aegislash Shield Form's. Stealth Rock is an entry hazard, of course. Toxic is for whittling down your opponents while Diancie watches safe in it's high defenses and barriers.
Keep in mind, Diancie is a slow Pokemon, so you may want to set it up with a Trick Room before you send it out.

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Taunt cripples this entire set
1 vote

So, before I list the nature , EVs, etc. I want to point out how defensive Diancie is. Yeah, I know it's quite obvious if you know your stuff, but it does have some offensive potential, given that it's "signature" move is Diamond Storm, which has 100 base power and 95 accuracy. It's basically a better Stone Edge + STAB, and can pack a decent punch, while having a 50% chance to raise your Defense, so EV training Diancie in Defense is redundant.

Diancie @ Leftovers
Ability: Clear Body
EVs: 252 HP / 4 Atk / 252 SpD
Careful Nature
- Protect
- Stealth Rock
- Diamond Storm
- Moonblast / Toxic

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1 vote

image
Diancie @ Diancite
Ability: Clear Body -------> Magic Bounce
EVs: 4 HP / 252 SpA / 252 Spe
Hasty Nature

  • Diamond Storm
  • Earth Power
  • Moonblast
  • Calm Mind / Rock Polish
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1 vote

This is a moveset that I use in Pokémon Showdown. I think it's awesome for a sweeping Diancie!

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Diancie @ Diancite
Ability: Clear Body
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Psychic
- Diamond Storm
- Moonblast
- Earth Power

Psychic is Poison-type coverage.
Diamond Storm is for pesky Baton Pass Scolipedes.
Moonblast is because Wynaut?
Earth Power is Steel-/Poison-type coverage.

Hopefully this helps out any Trainer that wishes to use Diancie as a sweeper.

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You don't need Psychic if you have Earth Power anyway
Well, maybe Psychic can be used for fighting types lol
A bullet punsh   from a metagross or a meditsham would 1HKO it
1 vote

Diancie @ Diancite
Ability: Clear Body ---> Magic Bounce
EVs: 252 HP / 90 Atk / 34 Def / 100 SpA / 34 SpD
Brave Nature
- Diamond Storm
- Moonblast
- Earth Power
- Rock Polish

Mega Evolve after Rock Polish is used. If you know you're gonna get KO'd, then don't use Rock Polish and just Mega evolve and try to get at least one attack in.
- Diamond Storm-(STAB and signature move. Fire, Bug, Flying, and Ice type coverage. Use this whenever you can. This move has a 50% chance to raise your defense by two stages to maybe help you survive a physical steel type move, this has happened for me many times. In double battles, Diamond Storm will hit all foes).
- Moonblast-(STAB. Dark, Fighting, and Dragon type coverage. This move has a chance to lower the target's Sp. Atk).
- Earth Power-(Electric, Rock, Fire, and Steel type coverage. This move has a chance to lower the target's Sp. Def).
- Rock Polish-(Use this before you Mega Evolve because when you Mega Evolve your defenses get lowered to raise other stats. If you're gonna take a hit and use this move, its best to do it when you're bulky. After using Rock Polish and Mega Evolving, Mega Diancie's Speed will be 460).

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1 vote

Doubles OU

Diancie @ Leftovers
Ability: Clear Body
EVs: 248 HP / 8 Atk / 252 Def
Relaxed Nature
IVs: 0 Spe
- Diamond Storm
- Body Press
- Protect
- Trick Room

Diamond Storm is a powerful STAB spread move and has a high chance to increase Diancie's defence, which can later be abused with Body Press. Protect is one of the best moves in doubles, if the not best, and keeps Diancie safe for a turn while it's ally attacks or sets up. Trick Room allows Diancie and its allies to take advantage of their low speed.

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1 vote

Gen 8 NU

Diancie @ Power Herb
Ability: Clear Body
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Rock Polish
- Meteor Beam
- Moonblast
- Earth Power

I saw this set a few times, and it's a pretty fun set. Rock Polish is to boost your speed. Meteor Beam is STAB that raises your special attack and can be used in one turn thanks to Power Herb. Moonblast is STAB that nails fighting types. Earth Power is for coverage against poison and steel types like Dragalge, Salazzle, Toxicroak, Copperajah, and Heatproof Bronzong.

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1 vote

Painpass Diancie (GEN 8)

This is a Diancie i've been using for Baton pass teams in Gen 8 and really enjoy creating literal tanks with it. Basic idea is to switch in after a feint, use either Amnesia or Iron defense to beef up the primary attacking stat of the attacker, raise the other, then baton pass.

Diancie @ Babiri Berry / Chesto berry
Ability: Clear Body
EVs: 248 HP / 8 Def / 252 SpD
Calm Nature
IVs: 0 Atk
- Amnesia
- Iron Defense
- Rest / Substitute
- Baton Pass

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0 votes

Diancie @ Diancite
Ability: Clear Body
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Power Gem
- Earth Power
- Moonblast

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0 votes

Diancie @ Diancite
Ability: Clear Body ---> Magic Bounce
EVs: 30 Atk / 226 SpA / 252 Spe
Hasty Nature
- Diamond Storm
- Moonblast
- Earth Power
- Hidden Power [Electric] / [Ice] / [Fire]

Diamond Storm is a great STAB option, plus the 50% chance to double defense basically invalidates Hasty nature's defense drop. Moonblast is other STAB, destroys Dragons that aren't weak to Diamond Storm, like Garchomp. Earth Power demolishes Steel types, and with a speed stat higher than almost all heavy metals, it usually gets the drop on them. Now, onto the Hidden Powers. Electric mauls Water types, Ice shatters Ground and Grass types, while Fire melts Steel and Grass types. So, I'll say this once again, pick your poison.

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0 votes

Here's my take on a Gen 8 Diancie set. It's a Physical set too! I tried it on Pokemon Showdown in the Smogon NU Tier and it works brilliantly!

Diancie @ Assault Vest
Ability: Clear Body
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Diamond Storm
- Body Press
- Play Rough
- Gyro Ball

Explanation: I know it's this moveset sounds kinda weird but I just wanted to try something new and it ended up working. Assault Vest is the item just to makes Diancie even bulkier on the Special Side. Diamond Storm is STAB that has a 50% chance to raise Defense by 2 Stages and it helps with making Body Press even stronger. Body Press is really good Coverage against the likes of Exploud, Aggron, Sandslash-Alola and Duraludon most notably and it gets some help with the Defense boosts from Diamond Storm. Play Rough is also reliable STAB and I'm sure you guys don't need an explanation to why it's good. Gyro Ball is also good Coverage against the likes of Silvally-Fairy, Whimsicott and Sylveon most notably.

You can even try this set on Trick Room Teams as well too if you like! Hope you guys like this weird moveset!

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0 votes

Diancie @ Diancite
Ability: Clear Body ---> Magic Bounce
EVS: 4 HP / 252 Atk / 252 Spe
Naive Nature

  • Diamond Storm
  • Moonblast / Dazzling Gleam
  • Earth Power
  • Calm Mind
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I don’t think Diamond Storm would really work with CM, you can opt for Power Gem, but that’s weaker...
Shouldn't it be 252s.atk 4 atk and 252 spe
Wierd set I'd say
They probably want Attack higher because they boost Special Attack with Calm Mind. :P
But they only have 1 Physical move...
It could be to hit Chansey or specially defensive pokemon harder.
252 Atk Diancie-Mega Diamond Storm vs. 248 HP / 252+ Def Eviolite Chansey: 253-298 (35.9 - 42.3%) -- guaranteed 3HKO

Even with DStorm it does not hit hard... And Pink Blobs can proceed to PP Stall it.
0 votes

National Dex Monotype (Rock and Fairy)

Diancie-Mega @ Diancite
Ability: Clear Body---> Magic Bounce
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Moonblast
- Earth Power
- Mystical Fire
- Calm Mind

Moonblast is STAB. Earth Power is for coverage against steel and poison types. Mystical Fire is also coverage that allows you to hit Pokémon like Scizor, Ferrothorn, and Corviknight super effectively. Calm Mind is to boost your special attack and special defense.

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0 votes

Gen 8 NU

Diancie @ Choice Specs
Ability: Clear Body
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Moonblast
- Earth Power
- Mystical Fire
- Power Gem

Choice Specs Diancie. Moonblast is for fairy STAB. Earth Power is for coverage against poison and steel types like Copperajah, Dragalge, Salazzle, and Heatproof Bronzong. Mystical Fire allows you to deal with Escavalier and Levitate Bronzong. Power Gem is for rock STAB.

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0 votes

Diancie @Life Orb/Assault Vest
Ability: Clear Body
EVs: 252 Atk/252 Def/4 HP
Adamant Nature
- Stealth Rock/Earthquake
- Diamond Storm
- Play Rough
- Body Press

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Format?
Gen 8 NU