This is the Scene where Xerneas gives power to Diancie and feels it in Team Robot in Pokemon: Diancie & The Cocoon of Destruction.
(Later The Clouds clear, and sun is out, A dozens of Vivillon appears, Until Diancie looks and hops into hurry, as the heroes rushed in pursuit, As Diancie rushes in, Multiple Vivillon flies at Xerneas in a Neutral Mode, Diancie Gasps, so does as the heroes rushing in pursuit)
Tai Kamiya: Look!
Agumon: What is it?
Sora Takenouchi: What is that?
Ash Ketchum: Is that.
Percy: Who is that Pokémon?
Emerl: Could it be?
(Xerneas opens her eyes)
(As Xerneas jumps peacefully multiple times, Diancie is in a hurry, so does as the heroes)
Tai Kamiya: Follow Xerneas!
Agumon: Don't let it get away!
Diancie: Xerneas, wait, please!
(Then She pass the bush, then trips over the log to the ground, then she gets up and continues running)
Emerl: Diancie, be careful!
Flain: Go faster!
Joe Kido: Let's hurry!
(Then she trips over the tree's Stem and falls off, But Xerneas Save her)
(As Pikachu and Dedenne looks at Diancie)
Takato Matsuki: (Stops running and panting) Did we found Xerneas?
Renamon: We found it.
Teslo: Do you think we found Xerneas?
Krader: Yes, I think so.
Emerl: Yes we did.
Dudley Puppy: There it is! The Legendary Pokémon that can give life!
(Diancie gets up, As the Heroes looked at Xerneas and Diancie)
(Xerneas Uses fairy aura)
Xerneas: You have been following me for some time.
Diancie: I finally get the chance to meet you.
Xerneas: I know why you are here. I am aware of what it is you seek from me. I will grant your wish.
(Xerneas Becomes an Active mode and Activates Fairy Aura, Feeling the heroes for great strength)
Ed: What is that power?
Kitty Katswell: That's Xerneas' fairy aura.
Mordecai: Whoa. What is that?
Dace: Fairy Aura.
Tai Kamiya: Wow.
Kraw: Oh, yeah! (Starts laughing, Gobba joins him)
Gobba: Fairy Aura is good!
Mesmo: Very magical!
Takato Matsuki: Cool!
(Meanwhile, Dialga Looks at the fairy Aura)
Dialga: Xerneas, You gave me strength.
Palkia: Xerneas, I Believe in me.
Dialga: Well done, Diancie.
(Diancie Feels the fairy aura, to make things magical)
Xerneas: The power it nourish life lies within you yourself...
(As Xerneas Leaves and becomes Neutral form and Leaves)
(Diancie Hops to look at Xerneas had leave)
Diancie: Xerneas. I am truly grateful.
(Our heroes rushed in to look at diancie)
Dace: Princess Diancie!
Takuya Kanbara: You did it man!
Zoe Orimoto: That was Fantástico!
Volectro: Diancie, Did you feel it?
Agumon: That fairy aura is nice.
Gabumon: I'm happy you finally found Xerneas.
Matt Ishida: Same here.
Zaptor: That was Amazing!
Mordecai: I feel that power!
Jawg: It was kinda Magical!
Rigby: Xerneas is so awesome!
Krader: Yes, it was so a miracle!
Magnifo: Even Magical fairy aura!
James the Red Engine: And I can't believe this is the first time I see Xerneas.
Percy: Yes! It's amazing as well!
Yolei Inoue: Mystical means when you found Xerneas.
Hawkmon: So did we.
Pinkie Pie: And that, The Fairy powers are so amazing!
Fluttershy: And even then, Xerneas has found us to see this, because I always wanted to see it!
Izzy Izumi: Even you will Able to make a special Diamond!
Rika Nonaka: That fairy aura is not that bad.
Renamon: It was very pretty.
Anna: You were able to create a heart diamond!
Dace: I sensed a powerful Fairy Aura.
Elsa: Since you Fairy powers are beautiful.
Finn the Human: (Laughs) I feel that Fairy Aura too.
Jake the Dog: Same here.
Ash Ketchum: I feel like I was given that power, too!
Serena: You'll be able to save your domain for sure!
Lunk: I know you might able to save the domain!
Flurr: And Create even more Diamonds!
Finn the Human: You're ready to create a new heart diamond!
Diancie: I wonder if I'm going to be able to create a Heart Diamond now...
Ash Ketchum: Hey, give it a try!
Zoe Orimoto: I can't wait!
Tommy Himi: Go on!
Bonnie: I'll bet you can!
Teslo: Go on, Give it a Try!
Mario: Go on.
Palmon: Let's do it!
Dudley Puppy: Come on, let's do it!
Takuya Kanbara: C'mon princess.
Kiva: Do it now!
Takato Matsuki: Let us see!
Rika Nonaka: Let's see how pretty the heart diamond is.
Twilight Sparkle: Come on, Cast a spell to create a new Heart Diamond!
Mimi Tachikawa: I really want to see a beautiful diamond!
Xion: We're right behind you.
Matt Ishida: Go ahead.
Michelangelo: Go on!
Sora Takenouchi: Do it Diancie.
Emerl: Go for it.
Olaf: We're rooting for you!
Fluttershy: Yeah, you can do it.
Rarity: I Know you can.
Veemon: I'm so Excited.
Davis Motomiya: Let's go for it.
Gmerl: (In Silver's voice) You can do it, Princess!
Rigby & Mordecai: (Chanting) Diancie! Diancie! Diancie!
All the Heroes: Diancie! Diancie! Diancie!
(Just as Diancie is Ready to Create a New Heart Diamond)