<p><br>Definitely the rarest backpack is <strong>War Backpack </strong><img alt="" src="https://www.tibiawiki.com.br/images/a/a4/War_Backpack.gif" style="height:32px; width:32px">. In practice it is unobtainable (the only exception is to buy it from the current owner). Unfortunately TibiaWars, which got this backpack as a representing them item doesn't organise contests so there is no ability to win it in any way. What is more - War Backpack is only a decoration, it has no slots.</p><p>Another slots.</p><p>Quite rare, wanted because of achievement (and expensive at once) is <strong>Old and Used Backpack</strong> <img alt="" src="https://vignette.wikia.nocookie.net/tibia/images/e/e7/Old_and_Used_Backpack.gif/revision/latest?cb=20170912011452&path-prefix=en" style="height:32px; width:32px">, which you can loot from rare Orc in Orc Fortress once per ~two weeks.</p><p>Another rare backpack is <strong>Ghost Backpack</strong> <img alt="" src="https://www.tibiawiki.com.br/images/6/62/Ghost_Backpack.gif" style="height:32px; width:32px"> - according to TibiaWiki.com.br you can loot it from The Pale Worm.</p><p>Rare chance to drop has also <strong>Winged Backpack <img alt="" src="https://www.tibiawiki.com.br/images/8/86/Winged_Backpack.gif" style="height:32px; width:32px"></strong> (Urmahlullu The Weakened) Weakened), <strong>Book Backpack </strong><img alt="" src="https://tibiopedia.pl/images/static/items/book_backpack.gif" style="height:32px; width:32px"> (Faceless Bane), <strong>Wolf Backpack</strong> <img alt="" src="https://tibiopedia.pl/images/static/items/wolf_backpack.gif" style="height:32px; width:32px"> (were-bosses) or <strong>Feedbag</strong> <img alt="" src="https://www.tibiawiki.com.br/images/2/28/Feedbag.gif" style="height:32px; width:32px">(Glooth Fairy).</p><p></p>