Eliminate the Idium infected creatures before the Balaur can get to them.
Step 1. Kill 'Shivering Gust SpiritA spirit affected by an ancient Ide explosion in Silona Basin.s (x3).
Kill Longtail PlumaA unusally long-tailed Pluma that is found in Silona Basin.s (x3).
Kill Fierce Red GryphuA terrifying Gryphu that appears in Silona Basin.s (x3).
Step 2. Talk with KalennosA captain of the Guardian Detachment who appears when the Elyos capture Earthshaped Promontory..