EntityTNTPrimed armedTNT = (EntityTNTPrimed)MFRUtil.prepareMob(EntityTNTPrimed.class, world);
armedTNT.fuse = 120;
mobs.add(new RandomMob(armedTNT, 5));
EntitySlime invisislime = (EntitySlime)MFRUtil.prepareMob(EntitySlime.class, world);
invisislime.addPotionEffect(new PotionEffect(Potion.invisibility.id, 120 * 20));
mobs.add(new RandomMob(invisislime, 5));
EntityMooshroom invisishroom = (EntityMooshroom)MFRUtil.prepareMob(EntityMooshroom.class, world);
invisishroom.addPotionEffect(new PotionEffect(Potion.invisibility.id, 120 * 20));
mobs.add(new RandomMob(invisishroom, 5));