Eldiw · route
Route 13
Route 13 is a post-game route only accessible after becoming Champion, connecting Borealis Town and Mt. Starburst.
How to Reach It
Connected to the north with Borealis Town and to the east with Mt. Starburst. Only accessible after becoming the Champion.
Notable Items
- TM69 Rock Polish
Story Relevance
Also the location, per the Dielebi Shrines mechanic page, of a volcano-like cave leading further north to Lava Dome Cave, where a retro Heatran can be obtained.
Source: pokemon-xenoverse.fandom.com (Route 13 and Dielebi Shrines articles, raw wikitext), high confidence.