http://paste.thezomg.com/56744/72698741/ "Uh oh! You've found an error in Core." Here's the code: http://paste.thezomg.com/56745/27122015/ http://paste.thezomg.com/56746/15172728/ Every (interval), on a separate thread, for every @player in all_players(), if a few statements are true, we apply potion effects to the player. Store entities_in_radius, then filter out any non-hostile mobs. If there are still entities left in the list, point the players Compass at that entity's location.