This is how the Skylands and Equestria unite goes in The Quest for the Skylanders Part 2.
Later, at Canterlot.
Princess Celestia: We are gathered here today to once again honor the heroism of my Niece, Princess Yuna and her friends who help the Skylanders stood up to the villains Thaddeus E. Klang and Feathers McGraw and saved Equestria and Skylands from eternal chaos.
Princess Yuna: This sure was quite a Quest.
Snowdrop: Without a doubt.
Kaos: How can we ever repay you.
Dobby: Nothing much, Sir.
Kraw: All in a days work.
Princess Luna: Well done, Yuna.
Trixie: You and your friends have done us proud once again.
Princess Yuna: It was nothing.
Princess Celestia: Princess Yuna, If you, Twila and Skyla would help us doing the honor of uniting Equestria and Skylands, Please do.
Princess Yuna: It'll be our pleasure, Aunt Celestia.
(Celestia, Luna, Cadance, Twilight, Sunset, Trixie, Sharon, Yuna, Twila and Skyla used their magic to combined Equestria and Skylands)
Spyro: Our home will always be open to you and your friends, Princess Yuna.
Princess Yuna: Thanks, Spyro, It was worth it.