Nether Roof Portal Linking

I am trying to maks a nether portal system one to the bedrock roof and a normal one but have them stacked on top each other for easy and close access to both areas.

Nether roof portal linking.

I still get caught by very fast moving lava when tunneling in the nether. Description with the changes made to portal linking in 19w36a it is now possible for portals in the overworld to lead to existing portals above the nether s ceiling which is not possible in previous versions. A nether portal is built as a vertical rectangular frame of obsidian 4 5 minimum 23 23 maximum. Again be careful the nether is more challenging to navigate than the overworld.

How exactly do you link portals up on the nether roof. Portals can link up to other portals within a 1024 block radius for the overworld or a 128 block radius for the nether on both x and z axis. Portals try to link up at their ideal location calculated by overworld x y z nether x 8 y z 8. Example of this done before is in shopping district hermit craft 7.

I ve built my portal going from the nether roof to my base but when i go from my base back to the nether it puts me in a different location under the roof in the nether. I see that the hermits have done this in season 7 and i can t figure it out on my own world. Vertical portal linking to nether roof. Use the first 10 obsidian to build a nether portal economical version and step into the nether cautiously.

Explore to the coordinates from the calculator. I m unsure whether this is intended behavior or not.