Hogwarts Legacy: How To Unlock Diffindo

Enhance your defense against the forces of evil that wander in the Forbidden areas of Hogwarts Legacy by learning Diffindo.

Hogwarts Legacy offers a wide variety of spells that can be used to fight evil, levitate objects, create light in dark areas, repair broken statutes, and much more. One of those spells is Diffindo, a destructive spell used to throw slash attacks at your enemies from a distance in Hogwarts Legacy. It can be acquired by completing Professor Sharp’s assignment 2.

Key Highlights
  • Unlock Diffindo by completing Professor Sharp’s assignment 2.
  • To access this quest, complete Professor Sharp’s assignment 1 first.
  • Assignment 1: Drink Focus, Maximus, and Edurus Potions.
  • Assignment 2: Obtain Invisibility and Thunderbrew Potions, use Thunderbrew against enemies.
  • Buy potions at J. Pippin’s Shop in Hogsmeade.
  • Report back to Professor Sharp in the Potions Classroom at The Library Annex after completing each assignment.
  • Completing both assignments unlocks Depulso and Diffindo.
  • Access Professor Sharp’s assignments after completing “Jackdaw’s Rest” main quest.

Professor Sharp’s Assignment 1 – Unlocking Depuslo

  • Location of potions: J. Pippin’s Shop in Hogsmeade
  • Location of Professor Sharp: Potions Classroom in The Library Annex
  • Objectives: Acquiring and using Focus, Maximus, and Edurus Potion
  • Reward: Depulso Spell, 150 XP

Before moving on to Professor Sharp’s Assignment 2, you’ll have to complete the first assignment assigned by Professor Sharp. This is a mandatory step and cannot be skipped. Additionally, you won’t be able to access Professor Sharp’s Assignments until you have made considerable progress in the main story.

Professor Sharp’s assignments are available after you have completed Jackdaw’s Rest. After you have completed the Jackdaw’s Rest, the first assignment by Professor Sharp will be available in the quest log

Professor Sharp's First Assignment
Professor Sharp’s Assignment 1 [Image Credit Copyright: eXputer]
. For the first assignment, you’ll need three potions:

  • Focus Potion
  • Maxima Potion
  • Edurus Potion

The focus potion can be consumed at any time, while the Maxima and Edurus potions are needed to be consumed at the same time in such a way that their effects are active simultaneously.

All three spells are available at J. Pippin’s Potion in Hogsmeade. Simply teleport to the Foo Flame near J. Pippin’s Potion and buy all three potions from him.

Professor Sharp's Assignment
Location of J. Pippin’s Shop [Screenshot Captured by eXputer]
Professor Sharp's Assignment 1
Buying Focus potion from J. Pippin[Image by eXputer]
Professor Sharp's Assignment 1
Buying Maxima potion from J. Pippin [Image Credit Copyright: eXputer]
Professor Sharp's Assignment 1
Buying Edurus potion from J. Pippin [Screenshot Captured by eXputer]
You can also buy the crafting recipes of respective potions from him, which will only just increase the number of steps required to complete the assignment since now you’ll have to hunt for the ingredients required for brewing the potions as well.

Crafting certainly has its uses since you’ll be able to brew these potions again and again, granted that you have the necessary items. After you have the required potions, visit Professor Sharp to learn Depulso Spell.

Professor Sharp's Assignment 1
Depulso Spell Unlocked [Image by eXputer]
Professor Sharp can be found in the Potions Classroom in The Library Annex area of Hogwarts.

Professor Sharp's Assignment
Location of Professor Sharp [Image Credit Copyright: eXputer]

Professor Sharp Assignment 2 – Unlocking Diffindo

  • Location of potions: J. Pippin’s Shop in Hogsmeade
  • Location of Professor Sharp: Potions Classroom in The Library Annex
  • Objectives: Acquiring and using Focus, Maximus, and Edurus Potion
  • Location of enemies: Spiders near East North Hogwarts Region
  • Reward: Diffindo Spell, 150 XP

After you have completed assignment 1, the second assignment will become available in the quest log

Professor Sharp's Second Assignment
Professor Sharp’s Assignment 2 [Screenshot Captured by eXputer]
. For the second assignment, you need to use the following 2 potions.

Unlike the previous assignment, the condition here is that you need to use one of the aforementioned spells (Thunderbrew) against enemies and report back to Professor Sharp. To acquire the spells, head back to J. Pippin’s Shop in Hogsmeade and buy the potions from him. Similar to assignment 1, you can also buy the crafting recipes for these potions as well.

Professor Sharp's Assignment 2
Buying Invisibility potion from J. Pippin [Image by eXputer]
Professor Sharp's Assignment 2
Buying Thunderbrew potion from J. Pippin [Image Credit Copyright: eXputer]
After you have both of these potions, fast-travel to East North Hogwarts Region and try out these potions during combat.

Professor Sharp's Assignment 2
Location of Spider Lair [Image Captured by eXputer]
Professor Sharp's Assignment 2
Using Thunderbrew during Combat [Screenshot Captured by eXputer]
You don’t necessarily have to travel here since the objective here is to use the Thunderbrew spell against any enemy but for our guide, we are using it against the spiders in East North Hogwarts Region. After you are done with the encounter, report back to Professor Sharp. 

After hearing what you had to say, he’ll teach you the Diffindo spell, which you can use against the forces of evil that wander outside the lands of Hogwarts.

Professor Sharp's Assignment 2
Diffindo Spell Unlocked [Image by eXputer]
This concludes our guide on how to unlock Diffindo in Hogwarts Legacy. One piece of advice we’d like to give here is that, for your assignments, always try to buy the potions from J. Pippin’s Shop instead of crafting them yourself.

If you want to progress through the main story and side quests seamlessly, it is best to have as many spells in your arsenal as possible since certain areas or enemies can require the use of specific spells. So while you are at it, you can go through our guides on Incendio, Flipendo, Transfiguration, and Imperio spells and learn how to unlock them in Hogwarts Legacy.


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Hamid Ali is a Guides Writer & Editor on eXputer, who also occasionally covers Game Codes. He is a huge Doom fanatic and loves to melt his stress away in titles such as God of War games and Elden Ring. With a Bachelor's degree in Journalism, Hamid’s been writing and updating about the majority of games for several years. Hamid's gaming experience can be verified on his Steam and PSN profiles.

Experience: 3+ Years

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