Check out this Unforgivable Curses guide in Hogwarts Legacy (Harry Potter). Guide includes all Unforgivable Curses, how to learn and get them, Sebastian quest line, dialogue options, consequences, and more.
This article contains spoilers for Sebastian's side quests and overall story. View at your own risk.
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Table of Contents
Unforgivable Curses - How To Get & Learn
Play Through Sebastian's Side Quests
In order to learn all three of the Unforgivable Curses, you will need to play through Sebastian's side quest line. Sebastian is a Slytherin student you can find in the castle.
List Of Quests Related To The Unforgivable Curses
| Quest & Required Level | Reward |
| In The Shadow Of The Study (Lv 16) | ＋180XP Crucio |
| In the Shadows of Time (Lv 17) | ＋180XP Imperio |
| In The Shadow Of The Relic (Lv 28) | ＋180XP Avada Kedavra |
In The Shadow Of The Study
| Spell You Will Learn |
| Crucio |
| Dialogue Choices | Result | |
|---|---|---|
| "Very well, I don't want to learn the Cruciatus Curse." | → | You won't be able to learn Crucio |
| "I want to learn the Cruciatus Curse. But you must cast it on me." | → | You will learn Crucio |
| "Teach me the Cruciatus Curse and I'll cast it on you." |
In the Shadows of Time
| Spell You Will Learn |
| Imperio |
| Dialogue Options (Sebastian) | Result | ||
|---|---|---|---|
| "I'd prefer not to learn the Imperius Curse" | → | You won't learn Imperio | |
| "Yes, I'd like to learn the Imperius Curse" | → | You will learn Imperio | |
| Option 1 (Ominis) | Option 2 (Ominis) | Result | |
| "Very well. Let's talk with Sebastian" | - | → | You won't learn Imperio |
| "I cannot side with you. Sebastian's right" | "Never mind" | ||
| "Yes. That is precisely what I am suggesting" | → | You will learn Imperio | |
In The Shadow Of The Relic
| Spell You Will Learn |
| Avada Kedavra |
| Option 1 | Option 2 | Result | ||
|---|---|---|---|---|
| "No one should know that curse" | → | - | → | You won't be able to learn Avada Kedavra |
| "Everyone should know that curse" | → | "Now is not the time" | ||
| "Yes please" | → | You will learn Avada Kedavra |
Unforgivable Curses Benefits & Disadvantages
Required To Get Achievements
There is an achievement that you unlock upon learning all of the spells in Hogwarts Legacy. You will need to learn all three of the Unforgivable Curses to earn it.
Makes Combats Easier
Unforgivable Curses are incredibly powerful spells in the Harry Potter series and they are of the same level in Hogwarts Legacy. If you use them right, you can defeat multiple enemies at a time, making combat much easier.
Dark Arts Battle Arena Guide - Location & Rewards
No Disadvantages
Some fans of the original series may presume that using the Unforgivable Curses will lead you going down the dark path. However, in Hogwarts Legacy, there are no consequences for using the Unforgivable Curses. You will not be sent to Azkaban not matter how much you use Avada Kedavra.
Can You Become A Dark Wizard Guide
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