Jade Lantern Farming Routes for Dragon's End. It's basically an alternative way how to get map completion Gifts for the Gen 3 Legendaries. I highly recommend using it with my Jade Battery markers.
Farming Routes for the Jadeite Veins in The Echoval Wilds. They drop Chunks of Pure Jade.
Farming Route for the Shrine Guardian Chests in the Dragon's End. It's the alternate farming method for the Canach and Unusual Coins.
Routes for mount riding achievements in the Dragon's End. Keep in mind those achieves requires a specific mount to initiate and complete.