Full list of all 45 Hogwarts Legacy achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 45 achievements, and there is 1 DLC pack containing 0 achievements.
Wield a Deathly Hallow
Reach the highest point in the castle, the Headmaster's upper study
Beat Imelda's time in all broom races
Save a dragon
Learn all spells
Use Ancient Magic on every enemy in the game
Unlock all Floo Flames
Defeat enemies in all battle arenas
Brew every type of potion
Visit Poidsear Coast
Find the Map Chamber as a Gryffindor
Find the Map Chamber as a Slytherin
Defeat a total of fifty enemies using Petrificus Totalus
Find the Map Chamber as a Hufflepuff
Complete all tiers of a challenge
Upgrade a piece of gear 3 times
Follow butterflies to a treasure
Reach a combo of 100
Upgrade a piece of gear
Stun 10 different enemies using a Mandrake
Use Flipendo ten times – to tip one cow or several
Meet Charles Rookwood in the Map Chamber
Grow every type of plant
Spend 5 Talent Points
Find the Map Chamber as a Ravenclaw
Invoke Ancient Magic for the first time
Survive the troll attack on Hogsmeade
Attend your first class
Complete the introduction and finish the Sorting Ceremony
Rescue the phoenix
Subdue the Lord of the Shore
View all Pensieve memories
Defeat Ranrok
Win the House Cup
Complete Natsai Onai's relationship line
Complete Poppy Sweeting's relationship line
Complete Sebastian Sallow's relationship line
Complete all side quests
Complete all collections
Breed every type of beast
Spend all Talent Points
Complete all Merlin Trials
Discover all cairn dungeons
Find all Demiguise statues
Reach Level 40