After Simon's being a pony, someone locks up his memories of being a pony and the everything about it. As it reveals that one of the Lotus Brotherhood tells him that he must return to his true nature as the last heir to the Lotus Throne

WAR OF THE CLAN - the 4 clans

The Lotus Throne that Simon really belongs.

Hidden Truth==

The Lotus Throne that Simon belongs it was the orange Lotus that symbolizes the Phoenix, while the red and green Dragon symbolizes that there was the Magma Dragon and Leaf Dragon, the blue Wolf indicates that they

were came from the cold regions and the last, was the violet Serpent that indicates that they were born from the Nagas.