Prerequisites: You must be Level 15 or higher to begin the second half of this quest, flagged as “Blood Harvest” in the guide.

Intersecting Quests: College of Winterhold Quest: First Lessons, Main Quest: Elder Knowledge, Main Quest: Alduin’s Bane

Locations: Alftand, Blackreach, College of Winterhold, Arcanaeum, Hall of the Elements, Septimus Signus’s Outpost, Tower of Mzark, Oculory

Characters: Septimus Signus, Urag gro-Shub, Wretched Abyss (Hermaeus Mora)

Enemies: Dwarven Centurion, Dwarven Sphere, Dwarven Spider, Falmer

Objectives: Ask Urag about the insane book, Find Septimus Signus, Transcribe the Lexicon, Give the Lexicon to Septimus, Harvest High Elf blood, Harvest Wood Elf blood, Harvest Dark Elf blood, Harvest Falmer blood, Harvest Orc blood, Bring blood to Septimus, Take the Oghma Infinium

Acute Occult Ruminations

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There are two ways you can begin this quest:

1. During Main Quest: Elder Knowledge, you are sent to the College of Winterhold in search of an Elder Scroll. Approach the entrance and speak to Faralda about gaining admittance.

2. Otherwise, you must locate Septimus Signus’s Outpost on your own. Skip to the section marked ‘Puppet of the Abyss’ instead.

Enter the College and head into the Arcanaeum. Look for the Orc Mage named Urag gro-Shub, who runs the Arcanaeum. Although you can ask to assist him in College business (which allows you to accomplish several College-related tasks unrelated to this quest) and ask about the library, you’re here to talk about the Elder Scroll...