To help as well, the egg has to be in sight line. Was in a rocky terrain and it just couldnt register behind the rock. Wyvern eggs were super helpful, and easy to get considering no one wants anything under a level and sacrificing 50s and stuff. To help reiterate a crucial tip i read above, delete rocks around the area and maybe aggressive creatures. I lost 7 eggs fighting for my life and ruining so much time i could be dance battling a baby. Leaving the area ruins the taming percentage so make sure you have all the boxes checked.

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