The Meaning of Life, the Universe, and Everything.
Every 2 minutes, a ton of demon mobs spawn inside my nether portal. Now since I have that as a separate room, one would assume it doesn't bother me. Kill em, right? Well when they practically block you from even going through the portal, it gets annoying. I just wanna make it where the demon mobs can't spawn inside my portal frame, and have to come through on the other end just like pigmen do. Is there a way to do this? My portal room looks like this 24/7: