Fixing Remote End Gateway Portals in Minecraft Survival 1.13+

I was cleaning up an older world that I play on with my kids, and removed all of the End Island chunks via MCEdit. After going back through our End gateway, we still teleport to the same remote Island, but the two End gateway portals to bring us back to the main island are gone.

Using the /setblock feature, I was able to get an updated version of the fix mentioned in for 1.13+

/setblock -77 75 -56 minecraft:air replace
/setblock -77 75 -56 minecraft:end_gateway{Age:0,ExactTeleport:0b,ExitPortal:{X:-982,Y:58,Z:-694}} replace

However, after going through it, there are still no portals on the end island to return. Do I need to run a similar command on the end islands to regenerate those portals taking us back to the main island? Is there any way to have them generated again by the game?

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1 Answer

End gateways are generated with the terrain. And generated structures only appear once (would be pretty bad otherwise if you removed a tree, built your base there and when you came back, the tree overwrote it).
So you'll have to create the gateways back yourself:

/setblock -982 58 -694 end_gateway{ExactTeleport:0,ExitPortal:{X:-77,Y:75,Z:-56}}

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