'Impa the Impaler' is a Tier 3 Elite skeleton that spawns in a tower near the Avalon Bank, in The Lost City of Avalon.
He can drop custom armor sets including; Tier 3 Boots, Tier 3 Leggings, Tier 3 Chestplate, Tier 3 Helmet, and a Tier 3 Polearm. All of his drops are rare or unique and are very popular items on the market.
Impas' Spawn Location
Impa's New Location