345 How to Survive an Undead Invasion dudog The Undead are living dead. They are very strong and well equipped. If you encounter an Undead by yourself I suggest you run. If you have other people around or are very well equipped you could probably take one down. Undead use fire as a weapon so I would stand close to a fountain or water source. It is best to fight Undead in groups as it is to fight other mobs. Sneaking up on mobs and Undead is also a very effective way to survive. Always carry extra swords, arrows and food. If a whole horde of Undead or coming and you're by yourself it's best to hide somewhere and sneak Use these tips to survive when the Undead come to your city.