2 weeks after defeating Nightmare Moon, Twilight finds a visitor in her library. Who is this stallion, where did he come from, and why is he so interested in Pinkie Pie?
What if your friends caught up with you? What if they left you behind? What if they started to change? Would you try to get them back? Should you? Knowledge of green lantern not necessary.
Be it for reasons of work, family, or friends, the humble village of Ponyville has managed to become a point of interest to certain powerful ponies, who bring with them certain questions.