The Caladars are four Story Exclusive Secondary Bosses in Xenoblade Chronicles X. They are Wrothian Skells fought at level 33 at Shivering Sands in Sylvalum during Chapter 9. They are summoned by the Vasara when he uses the Shock Art that veils him in a barrier of energy making him invincible once half of its HP are lost. Only by defeating them will the barrier vanish.