Triwizard Tournament: The Black Lake

1 mould appears in no other set

• Creature, Grindylow with Black Eyes, Mouth Print

3 parts come in a colour no other set has for that mould

• Brick Curved, Internal Double, 3 x 3 with 1/3 Inverted Cutout, CornerSand Green · ×4
• Minifig Footwear Flipper [Thick]Light Nougat · ×2
• Hair Long Swept Left with CurlsMedium Nougat

3 parts appear in only a few other sets

• Rock Panel 2 x 4 x 6Dark Blue · ×2also in 80049 Dragon of the East Palace, 71804 Arin's Battle Mech
• Plate 6 x 14Dark Bluealso in 3851 Atlantis Treasure, 71437 The Bowser Express Train
• Tail, Mermaid Curved Right [Plain]Sand Greenalso in 75640 The Baratie Floating Restaurant, 45826

2 existing moulds first came out in their colour in 2023, including in this set

• Rock Panel 2 x 4 x 6Dark Blue · ×2
• Tail, Mermaid Curved Right [Plain]Sand Green

9 minifigure parts with their print are only in this set

• Mask Shark Head with Tail and Fin with Eyes and White Teeth PrintLight Bluish Gray
• Minifig Head Harry Potter, Black Glasses, Black/Coral Gills, Lightning Scar…Light Nougat
• Minifig Head Hermione Granger, Dark Brown Eyebrows, Freckles, Closed Eyes/Smile…Light Nougat
• Minifig Head Merperson, Alien, Yellowish Green Eyebrows, Dark Green eyeshadow…Sand Green
• Minifig Head Ron Weasley, Closed Eyes/Lobsided Grin PrintLight Nougat
• and 4 more