Commands Command Description /spleef deathregion Sets the death region for a spleef arena. /spleef layer add Adds a layer to a spleef arena. /spleef layer remove Removes a layer from a spleef arena. /spleef layer clear Clears all layers from a spleef arena. /spleef layer index Changes the index of a layer. /spleef layer list Lists all layers in a spleef arena.