Minecraft wiki entry for Things_not_to_do, associated text: Many players want to show off that they killed the Ender Dragon, but many have lost the dragon egg, which is the trophy of the End, and it is lost forever, because any subsequent dragons do not drop an egg. If the player gets too careless, they may send it back to the Overworld. When collecting the dragon egg, the player should cover up the portal with blocks and use a piston to push the egg, or make it fall onto a torch. Here are some of the things the player should not do: