harmonic shamanism with a touch of stealthy fel magic

It was that day again. The day they disappeared in the middle of the night without a single trace. Scootaloo, applebloom, Sweetiebelle, Spike three fillies and a dragon. They searched for days on end without stopping. Every hiding place hangout spot, everywhere they crusaded and even the most unlikely spots. That was 3 years ago they had all given up. Except Twilight she still used every spell she learned and every spell she learned from a spell book. It never worked until now. Owlocius take take these to the girls as fast as possible. What was on each of these letters?

I found them