Board Thread:Suggestions forum/@comment-29938807-20160911034449/@comment-26236093-20160911084740

Forten wrote: While bats are all very nice, I think the use of a dark cloud made of vapour is the prevailing evil thing to do. The darkness above Minas Tirith was very long, too. Bats might well fall out of the sky from exaustion.

Indeed, whilst the thought of implementating the cloud of darkness that engulfed the White City during the Siege of Gondor, it must also be kept in mind that these 'Bats' are considered a Planned Features!