Many of the Warp Spires in the game are near quest objectives, so even if you don't need to be in a location now, the odds are high that you'll be coming back eventually. Having the Warp Spire unlocked means you don't have to waste time running around when you want to get a quest done. You can also take a moment to head to the Exchange World to trade in resources you don't need for other materials or Bl The exclusive rewards from Kilo are something you can work towards throughout your entire adv...