Enter the Lava/Volcano cave and then, enter the lavender colored cave with crystals (in the lava cave), survive all the bugs and Magmasaurs and at the end you'll find a lava pool in the middle of it you find the eggs. You'll need a creature with high speed and health or VERY, VERY high health and speed if you're gonna go there without a creature. Good luck surviving the lava! (because the eggs are in a very small pool of lava surrounded by rocks surrounded by lava!) Good luck getting the egg AND surviving lava!!!!!! (Pretty hard if you're new to ARK, Trust me...)

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