Mod Wyverns adds a new dragon like creaturetothe Nether. It is hostile and very dangerous but when slainthere’sa chance it might drop an egg which you can use to hatchyour ownwyvern. The wyvern can then be used as a flying mount. Theyexistin six different colors. The black and white ones are the bestasthey are stronger, faster and they will also give its a rideranight vision effect.