Minecraft wiki entry for Advancement_guide, associated text: Now it is time to move the shulker to the place shown in the blueprint. You can move the shulker with a boat directly into the end getaway to move it to the main end island, but moving it through the exit portal can be more difficult. If you ever need to push the boat upwards, put a piston below it and power it. To move the shulker through the exit portal you'll need it to exit the boat on the side of the exit portal central pillar, you can force this by placing slabs in all other suitable places, then push the shulker downwards with pistons. The shulker will teleport to spawn (or at the world origin) either in a cave or on the surface. If it is in a cave, remove its supporting block to force his teleportation. When the shulker is on the surface, boat it to the contraption you built, pay attention to avoid going full speed in the boat otherwise the shulker will drown, alternatively throw a splash potion of water breathing at it. When you get near you'll need to put the shulker in a minecart which will drop from the top to put the shulker in place. In order to do so, get close to the line of rails and break the boat. As the shulker teleports push a minecart along the rails, as long as the shulker is right next to the minecart, he will get in and drop into place. When that happens lock the shulker in with a slab. Set the beacon to get Haste and Resistance (you can do that by selecting Haste, then Haste II, then Resistance), put the ten potions in the hopper (they will be placed in the dispenser) and put a spectral arrow in the bottommost dispenser. Now use a lead and tie a dolphin to the fence and put a name tag on it to avoid it despawning.