Hogwarts Legacy: In the Shadow of the Undercroft Hogwarts Legacy guide

In the Shadow of the Undercroft is the main quest in Hogwarts Legacy with unlocking the Confringo spell. The walkthrough from our guide explains how to start the quest and get to the crypt, how to learn Confringo and its uses, and what the choices from the conversations with Sebastian and Ominis are about.

Last update: 13 February 2023

On this page of the guide, we provide a full walkthrough for In The Shadow of the Undercroft story quest. Our guide shows how to unlock access to the Undercroft (with help from Sebastian), how to use Confringo (shooting fiery projectiles), and how to behave during conversations with Sebastian and Omnis Gaunt.

• Rewards for completing the quest
• Meet Sebastian
• Explore the room
• Practice casting Confringo
• Check back with Sebastian
• Leave the Undercroft

Rewards for completing the quest

1. XP;
2. Confringo spell unlocked - a red spell that fires long-distance fiery projectiles;
3. The Map Chamber story quest unlocked - you also need to complete the Room of Requirement story quest in order to proceed forward with the plot.

Meet Sebastian

To be able to start this quest, your hero needs to be on level 8. Travel to the meeting point, and if needed, wait at the circle to fast-forward the time.

After talking to Sebastian, you'll reach the entrance to Undercroft.

Explore the room

Investigate the room thoroughly (Revelio) and search the loot container. After the quest objective has been updated, return to Sebastian.

Sebastian will take a moment to teach you Confringo .

Practice casting Confringo

Open the spell menu and assign Confringo to one of the active slots. Try it out. When cast, Confringo fires fiery projectiles and can:

1. deal ranged damage;
2. deprive enemies of red shields;
3. set fire to torches and candlesticks (example in the screenshot).

Check back with Sebastian

Return to Sebastian and listen to his plans for returning to Feldcroft. A small decision awaits you here - you can reveal the events from the prologue (your relationship will improve) or stay quiet.

Leave the Undercroft

As you leave the Undercroft, you'll encounter Omnis Gaunt. Another small decision - reveal the truth about how Sebastian found the crypt or lie that it was you alone who found it, Regardless of your decision, the quest will end.