They going up stair and then Taz and Wile got knocked out from a Force Field and Ace saw Lexi
Ace: Lexi! Lexi! Lexi! Open your eyes!
Duck: It's no use. That girl has lost her heart, she cannot wake up.
He put her down
Ace: What? You... you're not Duck.
Duck: The Symbol cannot be completed, so long as the last princess of heart still sleeps.
Ace: Princess? Lexi a Princess?
Duck: Yes. A without her power, the Symbol will be remain incomplete. It is time she's awakened.
Ace: Look, Mac! I don't know, who you are! But... Let Duck go! And give him back his heart!
Duck: First. You must give the Princes back her heart.
Then he clutch some pain from his Chest and he fell down
Ace: What's happen to my chest?
Duck: Don't you see yet? The princess's heart is responding. It has been there all along. Lexi's heart rest within you!
Ace: Lexi. Lexi is inside me?
Duck: I know all that there is to know.
Ace: Tell me. Who are you?
Duck: It is I. Mephiles. The Seeker of Darkness.
He is walking to Ace and Daffy is going to attack him and he got pushed out from Mephiles
Mephiles: So. I shall release now, Princess. Complete the Symbol with your power. Open the Door, lead me into everlasting darkness!
He is going to attack Ace and then
Ace blocked it with his Sword
Ace: Forget it! There's no way, you're taking Lexi's Heart!
He is fighting Mephiles and he has been defeated and then he has been vanished
Daffy: Ace! Look!
Wile: The Symbol!
He look at it and he aim his sword to the Heartless Symbol
Wile: It won't work! The Symbol is not finish yet.
Ace: What can we do?
Wile: The only way is to awake Lexi.
Ace: I think you're right. If we can free her heart... but... but how? A sword that opens people's hearts... I wonder.
He walk to the Sword
He picked it up
Wile: Ace! Hold on!
Daffy: No! Don't do it!
He turned the Sword and stab it on his Chest and then the Sword is making 6 Hearts and it went to the Princess and the Last one on Ace, went to Lexi's Body. And Ace is fading
Daffy: Ace! Ace!
Lexi get up and she saw Ace fading
Ace: Goodbye, Lexi.
She tried to grab him and then he turned into a small fragments of light
Daffy: Ace! Come back, Ace!
Back to Ace
Ace: What's. What's happening to me? Falling... falling into Darkness
Back to Lexi and the Other
Lexi: Ace. Are you... no it can't be. I won't let it go!
Then Mephiles the Hedgehog has appeared
Mephiles: So, you have awakened at last, Princess. The Symbol has now been completed. You have surgery your purpose. But now it's over.
He walk up to them
Daffy: Don't make another move!
Wile: Do you think that we have to find him, all by ourselves?
Daffy: I don't know.
Then he has been stopped
Then Duck has appeared as a Spirit
Duck: No! You won't use me for this!
Duck: You gotta leave! The Heartless are coming.
They saw all the Heartless and they running away
Wile: What about the Symbol?!
Daffy: Let's just get out of here!
Then Ace has turned into a Heartless and they Following them
Daffy: Come on, Lexi!
Lexi: I can't leave them behind!
Wile: Don't worry about them! And Beside Naruto will saved them!
Lexi ran to the other
Wile: The Heartless is here!
They saw one Heartless
Daffy: I'll take care of him!
He clobbered Ace
Daffy: Stupid Heartless. Get lost!
The Heartless is looking at Lexi
Lexi: Ace... is that you?
Then they have been surrounded by the Heartless
Wile: Oh No!
They are fighting them and Lexi is protection him
Lexi: This time, I'll protect you.
Then Heartless jumped to Lexi
They saw Lexi dragging away from the Heartless
Then a Light has burst away from the Heartless and it was Ace and he's holding Lexi
Ace: Lexi. Thank you.
Then more Heartless has surrounded them, then Naruto stop them
Naruto: Go! Hurry!
Ace: What about you?!
Naruto: I'll be fine. I'm not leaving with Sakura. Now go! The Heartless are coming.
Ace: Okay. Let's get out of here.
They left Hollow Bastion and went back to Traverse Town