Hogwarts Legacy: How to Learn Unforgivable Curses and Their Effects)

How to Learn and the Effects of Unforgivable Curses

Forbidden Incantation	Learning Condition
Avada Kedavra	Choose the correct answer in Sebastian's Relationship Quest "Darkness Within the Relics"
Crucio	Choose the correct answer in Sebastian's Relationship Quest "In the Shadow of the Study"
Imperio	Choose the correct answer in Sebastian's Relationship Quest "In the Shadow of Time"

Forbidden Incantation	Effects
Avada Kedavra	Instantly kills the enemy
Crucio	Inflicts continuous damage over time on the enemy, causing them to suffer and be cursed. Cursed enemies take increased damage
Imperio	Temporarily controls the enemy, making them fight like your ally. While under control, the enemy takes reduced damage from other enemies. Additionally, the target of this incantation is cursed. Cursed enemies take increased damage

How to Learn Avada Kedavra and Its Effects

Learn in the Human Relations Quest "Darkness Within the Relic"

Avada Kedavra can be learned by choosing the correct option in the Relationship Quest "Darkness Within the Relic" by Sebastian. If you want to learn Avada Kedavra, choose "That incantation is something everyone should know" and then select "Definitely" in the choices.

In the Shadow of the Relic Walkthrough Chart

Has the Effect of Defeating the Opponent in One Hit

Avada Kedavra has the wicked effect of instantly defeating the opponent in one hit. Regardless of how much health the opponent has. Use it against tough enemies with high health.

Effects and Unlocking Conditions of Avada Kedavra

How to Learn Crucio and Its Effects

Learn in the Relationships Quest "In the Shadow of the Study"

Crucio can be learned by choosing any option other than "Understood. I don't want to learn the crucifixion incantation" in the Relationship Quest "In the Shadow of the Study". The quest will proceed even without learning Crucio, but there is no benefit in delaying the learning timing, so it is recommended to learn it by choosing the correct option.

Strategy Chart for "In the Shadow of the Study"

Inflicts Immobilization and Damage

Crucio has the effect of immobilizing the enemy and continuously inflicting increased damage. Its perfect for accumulated damage.

Effects and Unlock Conditions of Crucio

How to Learn and Effects of Imperio

Learn in the Relationship Quest "In the Shadow of Time"

Imperio can be learned by choosing the correct option in the human relationship quest "In the Shadow of Time". If you want to learn Imperio, choose "Want to learn the incantation of obedience" in the choices.

Note that the last two choices only lead to additional conversation for more information and then return to the choices. They do not affect the branching paths or scenarios, so it is recommended to choose them only if you want to delve deeper into the story.

Walkthrough Chart for "In the Shadow of Time"

Has the Effect of Making the Hit Target an Ally

Imperio temporarily controls the hit target and makes them fight as an ally. By using Imperio, you can temporarily reduce the number of enemies and increase allies, making it an effective magic when facing multiple enemies.

Effects and Unlocking Conditions of Imperio

How to Learn the Unforgivable Curse Later

Talk to Sebastian in the Underground Cathedral

Even if you choose the wrong option in each quest, as long as Sebastian is in the underground cathedral, you can learn the forbidden incantation at any time. Examine the hidden door near the staircase in the "Defense Against the Dark Arts Tower" and talk to Sebastian.

Cannot be Learned after Sebastian's Expulsion

If you expel Sebastian based on the choices in "In the Shadow of Fate," you will lose the method to learn unforgivable curses. "Hogwarts Legacy" does not have replayability, and once you expel him, you can never learn the forbidden incantation again in that save data. Therefore, decide carefully whether to expel him or not.

Locations and Strategies for Relationship Quests

What are Unforgivable Curses?

It refers to a Forbidden and Malicious Incantation.

Unforgivable curses are malicious incantations that are illegal to use. In Hogwarts Legacy, it is used by illegal criminals such as poachers and dark wizards.

It was Once Legal

Unforgivable Curses were legal when Salazar Slytherin was at Hogwarts. However, in the era of Hogwarts Legacy, it is already forbidden and is despised as dark magic by many, such as Ominis Gaunt and Solomon Sallow.

Can you fall into darkness?

They Also Appear in Original Works and Movies

Unforgivable curses also appear in the original works and movies centered around the Harry Potter universe. It was mainly used by Lord Voldemort and the Death Eaters, and was feared for its malicious effects.

Summary of connections to the original works

Spell Related Guide
Spells	Avada Kedavra
Maximum Spell Sets	Spell Mastery
Unforgivable Curses	Recommended Spell Combos
The Ancient Magic Meter

Control
Arresto Momentum	Glacius	Levioso
Transformation

Force
Accio	Depulso	Descendo
Flipendo

Damage
Confringo	Diffindo	Expelliarmus
Bombarda	Incendio

Utility
Disillusionment	Lumos	Reparo
Wingardium Leviosa

Transfiguration
Conjuring Spell	Altering Spell	Evanesco

Unforgivable Curse
Avada Kedavra	Crucio	Imperio

Essential
Basic Cast	Revelio	Protego
Stupefy	Ancient Magic Throw	Ancient Magic
Alohomora	Petrificus Totalus

Spells and Charms