Getting an egg takes guts, take a moment to let your fast flyer get Stam just out of range, mentally prepare, and don’t second guess yourself. I’ve managed to get more than one egg at a time just being quick, the trench on Val has a lot of wyverns but they are spread out and usually more on one side.. go on the side with the least. Get an egg maybe two if there’s time and dip the heck out. Unless you are me, raiding a den on my argy who’s beefed the heck up 20k health, and you just kill them all and take all the eggs.