Help came from friends/Venturing the Rampant Ruins/Getting to the Stone Monkey

Here is how the adventure to the Rampant Ruins begins in Return of the SWAP Force.

When they all returned to Woodburrow, Rufus was grateful for their heroic deed.

Rufus: Thanks to you, your friends, and the Portal Masters, and the Skylanders, Princess Twilight, the Ancient Flashfin is safe and its power has returned to Woodburrow. In fact, the Chieftess said that there is enough magic here to summon a friend of yours.

Twilight Sparkle: Anytime.