{{Act Bosses}}[[Image:Mon-andarial01andariel01.jpg|frame]]Andarial is a [[Demons|Demon]], a [[Superuniques|SuperUnique]], and an [[Act Bosses|Act Boss]]
Andarial is the boss of Act One, and must be defeated to advance to Act Two. She's found on level four of the [ [Catacombs]] and is the first monster seen in the game who stands substantially taller than a player's character. Andariel is known as the Maiden of Anguish, and is one of the four Lesser Evils, in the game's mythology. In ''Diablo II'' she has been summoned from Hell by Diablo, and left to guard the Rogue Monastery, where she can prevent any heroes from following Diablo to the East. Characters must defeat Andariel to pursue Diablo across the vast desert to the town of [[Lut Gholeim]].