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  1. Minecraft: Java Edition
  2. MC-88371

Ender Dragon flies down in the void when the exit portal is destroyed

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • Minecraft 15w37a, Minecraft 15w42a, Minecraft 15w44a, Minecraft 15w46a, Minecraft 1.9.1, Minecraft 1.9.2, Minecraft 16w14a, Minecraft 1.9.3 Pre-Release 3, Minecraft 18w02a, Minecraft 1.13.1, Minecraft 1.13.2-pre1, Minecraft 1.13.2-pre2, Minecraft 1.13.2, Minecraft 18w43b, Minecraft 18w43c, Minecraft 18w44a, Minecraft 18w45a, Minecraft 18w47a, Minecraft 18w47b, Minecraft 19w04b, Minecraft 19w05a, Minecraft 19w06a, Minecraft 19w07a, Minecraft 19w11b, Minecraft 19w12b, Minecraft 1.14, Minecraft 1.14.3, Minecraft 1.14.4 Pre-Release 5, 1.14.4, 19w41a, 1.15.1, 1.16.4 Release Candidate 1, 1.16.4, 20w49a, 20w51a, 21w03a, 21w05b, 21w06a, 21w07a, 21w11a, 1.17 Pre-release 1, 1.17, 1.18.2, 22w13a, 22w14a, 22w15a, 22w16b, 22w19a, 1.19 Pre-release 4, 1.19, 1.19.4, 23w13a, 1.20 Pre-release 1, 23w43b, 1.20.4, 24w12a, 1.20.5
    • Confirmed
    • Mob behaviour
    • Low
    • Gameplay

      The bug

      If the exit portal is removed and the ender dragon tries to perch, it will fly to y=0. Doesn't matter if it's a hole or not, it will go through blocks tho.

      How to reproduce

      1. Enter the end.
        /execute in minecraft:the_end run tp @s 0 100 0
        
      2. Remove the exit portal (make sure the enderdragon is alive).
        Stand on top of the exit portal and run: 
        /fill ~-10 ~ ~10 ~10 ~-60 ~-10 air
        

        The ender dragon flies to y=0, if it wants to perch.

      Code analysis

      Code analysis by TriWonder81 can be found in this comment.

        1. 2015-09-10_17.04.26.png
          2015-09-10_17.04.26.png
          488 kB
        2. 2015-09-10_17.05.14.png
          2015-09-10_17.05.14.png
          428 kB
        3. 2018-01-13_07.54.12.png
          2018-01-13_07.54.12.png
          3.66 MB
        4. MC-88371.mp4
          6.55 MB
        5. MC-88371.png
          MC-88371.png
          1.83 MB
        6. 2022-04-18_14.52.34.png
          2022-04-18_14.52.34.png
          1.22 MB

            Unassigned Unassigned
            iliketra1ns iliketra1ns
            Votes:
            18 Vote for this issue
            Watchers:
            9 Start watching this issue

              Created:
              Updated:
              CHK: