This is a lipogram. It will contain no 'E', apart from that symbol said prior and what was drawn upon in titling this story. I will not touch that symbol in this writing at all, nor will I allow it to subsist. Thank you.
When illusionist Emerald Mist comes to Ponyville, he intends on just passing through. However, when another him called Jade Mist surfaces in his mind, he ends up staying. Rediscovering his colthood crush might have played a part in that decision too.