These Spawners can all be activated in the same spot, effectively making it a 4x Spawner. Server: Smp5 Distance: Over 8k Blocks from spawn. (Very Far and secluded) Mineshafts around the spawners are basically untouched As you can see, all spawners can be activated at once. Price: 28k http://empireminecraft.com/threads/guide-selling-mob-spawner-locations.9738/