Behemoth Gate with foundation 7 wide and pillars as high as gate with ceiling fully covered about 10 to 13 long. Then around 15 to 20 foundations back make a platform to shoot from which connects to the cage set up a wind turbine and make keypad to close gate once wyverns inside.
Resources heavy but make out of metal ideally as our stone one was almost broken within a few days due to fighting alphas a lot. Have had around 10 wyverns trapped in cage at once like this very nice easy trap to use.
I got a level 150 lightning egg and I was so excited to hatch the egg...that when I went to put the egg down I accidentally ate it instead. :( ps4 users: R2 ISN'T GONNA DROP THE EGG YOU'RE GONNA EAT IT LIKE ANY OTHER EGG. REMEMBER THIS. LOGIC BEFORE EXCITMENT.