Pan was one of two advisors to Loog, the "King of Lions". He was known as the "undesiring strategist" because he never sought anything for himself despite the considerable power he wielded, nor did he concern himself with building a legacy. Instead, he devoted his life in service to Loog. Consequently, historical records of the time mention almost nothing of Pan's deeds and say only that he assisted Loog, his friend and leader.
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A damaged book in the Shadow Library of Abyss titled "Burnt Remnants of a Report" implies that Pan was not merely a masterful tactician, but one of Those Who Slither in the Dark, and that Loog's victory in the War of the Eagle and Lion was achieved in large part due to soldiers and powerful weapons supplied by them.
His name may refer to the Greek god Pan, the deity of the wilds, shepherds, and fertility.