Destructible. Abandoned Griffon Eggs are objects found in the Crystal Desert. Interacting with each one of them will unlock parts of the Open Skies Collections needed to adquire the Griffon mount. These eggs are spread across Crystal Desert and interacting with them will mount the player on a Griffon until dismounted.
The Warmed Coastal Griffon Egg is the Roost that you can reuse in Crystal Oasis. Unfortunately, The Spearmarshal’s Plea does not work here. If a griffon is needed, it means going back to get another. Go to Temple of Kormir Waypoint and head north up to Diviner’s Passage on you raptor. Turn west to get over the ledge using the raptor, then
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