"Journey" should already be available to you. All items with which you leave the adventure are turned into magic dust.
is journey a character?
It's fourth button on left top. Special RPG mode
is Magic dust purple or yellow?
purple
It's not letting me go on more journeys. I've only done one so far and I need dust for the map that grace ruined. Journey menu is just blank.
Keep completing other tasks. Over time, you will have new Journeys.
