Horn of Glory: A curving bronze horn which, when blown, summons 1d6+1 incorporeal constructs, echoes of the shades of 5th level human warriors residing in the Halls of Valor. They serve the summoner unquestioningly--as look as the service involves battle (otherwise, they disappear). The warriors dissipate at the end of the battle. The horn may be blown once per week.
Land of Beasts, but probably originating in Dreamland. It reputedly contains Cobra Fang Juice, Hydrogen Bitters, and Old Panther. Consuming it causes all but the strongest to pass out after experiencing a strange fit (failed saving throw at -2). It’s said that some gain one important insight about the past, present, or future after consumption.