After doing some more research i found out that it is indeed MC-63020 since there are chuncks disapearing and not just the seen wall. I found that out by simply making the staircase longer, yet the "blue wall" remains at the same position.
Sepheraton
After doing some more research i found out that it is indeed MC-63020 since there are chuncks disapearing and not just the seen wall. I found that out by simply making the staircase longer, yet the "blue wall" remains at the same position.