Improving the nether roof took me only 500'000 blocks... Minecraft Survival build

Mod used in this video: Axiom Litematics NoFog Flashback All builds are made by me. Music:    • Oh Qué Será?      • JoJo's Bizarre Adventure: Steel Ball Run O...      • JoJo's Bizarre Adventure: Stardust Crusade...   0:00 mob switch 2:02 farming materials 7:39 building 11:45 result Steel Ball Run