The Three Brothers

1 mould appears in no other set

• Helmet Armor, Shoulder Cover, Spikes, Lightning Print×2

3 printed parts are only in this set

• Technic Ball Joint with Graveller Type 2 Closed Mouth PrintSand Blue · ×2
• Brick Curved 2 x 4 x 2/3 No Studs with Rock Monster PrintLight Bluish Gray
• Tile Special 2 x 3 Pentagonal with Nexo Power Shield Print - BulldozerTrans-Yellow

10 parts appear in only a few other sets

• Gorilla Fist / HandDark Purple · ×2also in 60338 Chimpanzee Smash Stunt Loop
• Castle Turret Top 4 x 8 x 2 1/3Dark Purplealso in 70356 The Stone Colossus of Ultimate Destruction (all Nexo Knights)
• Technic Ball Joint with Graveller Type 1 Open Mouth PrintSand Bluealso in 70359 Lance vs. Lightning (all Nexo Knights)
• Tile Special 2 x 3 Pentagonal with Nexo Power Shield Print - Horrible HungerTrans-Purplealso in 70353 The Heligoyle (all Nexo Knights)
• Wedge Plate 4 x 6 Cut CornersDark Purplealso in 70722 OverBorg Attack
• Wheel Hard Plastic with Large Cleats and Flanges (Rock Design)Dark Bluish Gray · ×2also in 70352 Jestro's Headquarters, 70356 The Stone Colossus of Ultimate Destruction (all Nexo Knights)
• Headwear Accessory Visor with HornsTrans-Neon Orangealso in 72006 Axl's Rolling Arsenal, 70354 Axl's Rumble Maker (all Nexo Knights)
• Large Figure Weapon Accessory, Flame / Lightning Bolt with Axle Hole with…Trans-Purple · ×2also in 70359 Lance vs. Lightning, 70352 Jestro's Headquarters, 41193 Aira & the Song of the Wind Dragon
• Brick Wedged, Sloped 4 x 4 Fractured Polygon TopDark Purple · ×4also in 70358 Aaron's Stone Destroyer, 70352 Jestro's Headquarters, 70355 Aaron's Rock Climber, 70356 The Stone Colossus of Ultimate Destruction (all Nexo Knights)
• Brick Sloped 45° 2 x 2 Double ConvexDark Purple · ×2also in 7591 Construct-a-Zurg, 41185 Magic Rescue from the Goblin Village, 41340 Friendship House, 41101 Heartlake Grand Hotel

4 parts are otherwise only found in Nexo Knights sets

• Arm Left with Trans-Neon Orange Shoulder and Pin (Nexo Knights Axl)Flat Silver
• Arm Right with Trans-Neon Orange Shoulder and Pin (Nexo Knights Axl)Flat Silver
• Helmet Space with Air Intakes and Hole on TopBright Light Orange
• Shield Pentagonal with Rock EdgesBlack

4 moulds first came out in 2017, including in this set

• Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud×2
• Wave / Lightning Angular, Single×2
• Wheel Hard Plastic with Large Cleats and Flanges (Rock Design)×2
• Weapon Pike / Spear Tip with Bar

5 existing moulds first came out in their colour in 2017, including in this set

• Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid]Trans-Light Blue · ×16
• Brick Wedged, Sloped 4 x 4 Fractured Polygon TopDark Purple · ×4
• Gorilla Fist / HandDark Purple · ×2
• Castle Turret Top 4 x 8 x 2 1/3Dark Purple
• Headwear Accessory Visor with HornsTrans-Neon Orange

4 minifigure parts with their print are only in this set

• Torso Chest with Black Cracks, Dark Bluish Gray Scales, Dark Purple and Light…Sand Blue · ×2
• Hips and Sand Blue Legs with Black and Dark Blue Rocks, Black Cracks, and Dark…Dark Blue
• Minifig Head Reex, Yellow Right Eye, Jagged Rock Mouth, Stone Cracks, Eyepatch…Sand Blue
• Minifig Head Roog, Yellow Eyes, Jagged Rock Mouth, Open Mouth / Closed Mouth…Sand Blue