(Roxas, Axel and Xion's Team)
They arrived through the old gate in the keyblade graveyard and saw the once great city of Scala ad Caelum now reduced to rumble.
After taking a few steps through the city they were ambushed by heartless and an abnormal amount too whilst fighting them off they realised how much stronger they seemed and noticed what looked to be the leading heartless looked rather humanoid but still acted like a heartless.
Once they killed the majority of the heartless the leader retreated and the heartless returned to their normal strength making them easy to finish off.
They came to they conclusion that the leader of those heartless was making them stronger and if they wanted to safely explore they would need to take it out so they took of in the direction the leader heartless had fled.