He has recently become obsessed with his latest project, which involves creating a species of plant with the vampiric traits. In his house, there is a trap door to the Imperial City Sewers along with several potted plants with blood splattered around them.
He eventually came to the conclusion that these plants were too dangerous and destroyed them. However, his diary details his creation and subsequent destruction of the plants.
Amantius is a target victim for the Thieves Guild. Three new recruits hoping to join the guild are told to find his house and steal his diary.
- After successfully completing the quest, several Imperial City residents (including Amantius himself) will spread a rumor of him dying as a result of his house being ransacked by thieves.