Ah ok do not listen to these ppl telling you to not bring tames or to bring griffins or anything you simply need a pteranadon with alot of stamina then use its mid air roll move and you will go faster then the wyverns once the are out of the egg location get off your pteranadon and do that same trick again wait untill they are out of your render distance then you can go back all the wyverns in the trench attack you if you take an egg this trick works especially in rag.