While searching for the Iris Stones placed throughout the world of Jiendia to trace the story of Iris; the inhabitants have decided to seek out the stones of other companions of Iris, to find more clues about her. The inhabitants then went to seek out Tony O; a trader who came from Atlantis. From him they hoped to gather advice on where to find the other stones.
"The Memoriam, which was the holder of memories, scattered all the memories of Iris to the winds. These items are now known as the Iris Stones."
"as the memories of Iris did scatter, so did those of her companions. If you can't find them on the continent, you should consider the possibility of moving to a whole different world. From the gap between those worlds you may find it."
Taking Tony O's advice, the inhabitants make up their mind to make a trip to the other world in search of the other companions memories. You can move towards a totally different time, and place from Jiendia through the Time Machine.