Best nature for my mew and should I teach it Dark Pulse or Shadow Ball?

[stone sleet]

p!I

[lyric glacier]

Level 72 Mew "Psychic <:meowww:880069188700499968>"

456/2050XP
Types: Psychic
Nature: Docile
Chilli Type: None
HP: 241/241 - IV: 22/31 - EV: 0
Attack: 169 - IV: 29/31 - EV: 0
Defense: 167 - IV: 26/31 - EV: 0
Sp. Atk: 171 - IV: 31/31 - EV: 0
Sp. Def: 161 - IV: 18/31 - EV: 0
Speed: 171 - IV: 31/31 - EV: 0
Total IV %: 84.41%
Total EV : 0/508

Displaying Pokémon: 95483/95483 - Use p!back and p!next to cycle through your pokémon!

[solemn peak]

?tag mew

[lyric lotus]

**Information
Mew (Psychic Type)

Preferred Dueling stats (Minimum) - Max Speed if possible, 25+ Sp Atk, 25+ Atk

Top 4 Moves - Genesis Supernova, Focus Punch, Ice Beam/Flamethrower, Shadow Ball/Dark Pulse

Preferred Nature - Hasty/Naive**

[solemn peak]

P!mi shadow ball

[lyric glacier]

Shadow Ball

Power

80

Accuracy

100

PP

15

Priority

0

Type

Ghost

Category

Special

[solemn peak]

P!mi dark pulse

[lyric glacier]

Dark Pulse

Power

80

Accuracy

100

PP

15

Priority

0

Type

Dark

Category

Special

[solemn peak]

Power of both moves are same

So u can use anyone

P!shop 3

[lyric glacier]

Balance: 0 credits

Nature Modifiers

Nature modifiers change your selected pokémon's nature to a nature of your choice for credits. Use P!buy nature <nature> to buy the nature you want!

All nature modifiers cost 50 credits.

Adamant Mint

+10% Attack
-10% Sp. Atk

Bashful Mint

No effect

Bold Mint

+10% Defense
-10% Attack

Brave Mint

+10% Attack
-10% Speed

Calm Mint

+10% Sp. Def
-10% Attack

Careful Mint

+10% Sp. Def
-10% Sp. Atk

Docile Mint

No effect

Gentle Mint

+10% Sp. Def
-10% Defense

Hardy Mint

No effect

Hasty Mint

+10% Speed
-10% Defense

Impish Mint

+10% Defense
-10% Sp. Atk

Jolly Mint

+10% Speed
-10% Sp. Atk

Lax Mint

+10% Defense
-10% Sp. Def

Lonely Mint

+10% Attack
-10% Defense

Mild Mint

+10% Sp. Atk
-10% Defense

Modest Mint

+10% Sp. Atk
-10% Attack

Naive Mint

+10% Speed
-10% Sp. Def

Naughty Mint

+10% Attack
-10% Sp. Def

Quiet Mint

+10% Sp. Atk
-10% Speed

Quirky Mint

No effect

Rash Mint

+10% Sp. Atk
-10% Sp. Def

Relaxed Mint

+10% Defense
-10% Speed

Sassy Mint

+10% Sp. Def
-10% Speed

Serious Mint

No effect

Timid Mint

+10% Speed
-10% Attack

[solemn peak]

And use hasty nature

@stone sleet

[feral hedge]

naive is better, because psychic suffer dark, bug and ghost
dark and bug are physical
ghost is special
he suffer more physical type, so maybe less spdef is better than less def