Here is how Yuna works her magic to mend the Kronos Stone in Princess Yuna's Adventure Begins.
Yuna begins to work her magic to mend the Kronos Stone.
Princess Yuna: This is it.
Armor Bride: Yuna! Wait! You don't have to do this!
Princess Skyla: You'll get yourself killed!
Princess Yuna: I have to do this! Alicorn magic is the only cure for the crack of the Kronos Stone!
Prince Edmond: Be careful!
Princess Yuna: Here it goes.
Yuna used her magic trying to mend the Kronos Stone.
Princess Sharon: Yuna!
Princess Yuna: (while using her magic) I've gotta keep going!
The Royal Crusaders: Yuna!
Josephine: Don't give up!
The Kronos Stone was now mended .
Princess Yuna: (panting)
Princess Skyla: Yuna!
Snowdrop: Did she mend the Kronos Stone?
Zeñorita Cebra: Si, But she's warned about!
Princess Sharon: I got this. (use her healing magic)
Princess Yuna: (got back on her hooves) We did it! Now, We have to stop the destruction on every world! Let's go!