i run generic method one time without a mob switch and a zombie pigman wrecked the setup by populating the invis chunk 102 blocks away https://cdn.discordapp.com/attachments/961702940102504521/1499191789922553899/image.png?ex=69f3e6a8&is=69f29528&hm=f14fe8d90316a25900f32c88ac33bfd1639490299411e5f5c819f37eaa1af003&