The Bizarre Insidia is a Mission Exclusive Enemy in Xenoblade Chronicles X. It is a member of the Insidia family, and can be found at level 22 at Primordia's Headwater Cavern during The Ties That Bind when the party is looking for Tatsu's Dadapon's Sunglasses, but is not present in the morning. The mission does not require it to be defeated.