The pillars
All together :)
they all travel together. Helping ponies get along, as well as keeping each other accountable. The most unlikely of friends.
Stygian brought them together so they'd free his poor village from the sirens. After the village was saved Starswirl decided to it's best to keep the pillars together and work as a team. Unknowingly leaving Stygian in their shadows. He thought Stygian wouldn't be much use to the team, yet Stygian held on.
Thanks to @mega-lord-of-pickles for helping me













