Unsullied Battle Horn sells for 11 plat 4 gold 2 silver 9 copper to Sateal Deirosap vendor in the bazaar (level 2 human monk with 143 cha and gloomingdeep faction) .... no current price available in the bazaar....
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May your life journeys in Norrath, Azeroth and on Earth be smooth.... be safe... be happy... be well...