Castle of the Forsaken Emperor

3 moulds appear in no other set

• Banner, Left, Ice Emperor Symbol Print×4
• Hair and Headdress, Wolf's Head with Red Stripes, Long Black Hair Print
• Neckwear Cape, 4 Long Tails with Red Fox Brushes Print

2 printed parts are only in this set

• Flag 2 x 2 Square [Thick Clips] with Icicles on Black Back PrintWhite · ×4
• Cone Reverse, Spinner, with Marbled Glitter Trans-Bright Green PatternPearl Gold

8 parts appear in only a few other sets

• Weapon Spike Flexible 3.5LMedium Azure · ×10also in 70671 Lloyd's Journey (all Ninjago)
• Projectile, Spring Shooter Ammunition 8L BarReddish Brown · ×3also in 21150 Minecraft Skeleton BigFig with Magma Cube
• Windscreen 6 x 4 x 1 1/3 PointedTrans-Light Blue · ×2also in 76085 Battle of Atlantis
• Brick 2 x 2 with Medium Blue Snake Eye, Black/White ScalesWhitealso in 70679 The Ultra Dragon (all Ninjago)
• Plate Round Corner 6 x 6Dark Red · ×4also in 75932 Jurassic Park Velociraptor Chase, 40573 Christmas Tree
• Minifig Neckwear Shoulder Armor with 2 SpikesTrans-Light Bluealso in 70676 Lloyd's Titan Mech, 40342 NINJAGO Minifigure Set (all Ninjago)
• Helmet Ninja, SamuraiDark Redalso in 891956 Blizzard Samurai, 70676 Lloyd's Titan Mech, 40342 NINJAGO Minifigure Set (all Ninjago)
• Windscreen 8 x 4 x 2 with Handle and 2 Studs [Solid Studs] [Plain]Trans-Light Bluealso in 70835 Rex's Rexplorer!, 70673 Shuricopter, 75940 Gallimimus and Pteranodon Breakout, 45202 Mars Mission Science Kit

3 parts are otherwise only found in Ninjago sets

• Banner, Brown Earth Print - Scroll of Forbidden Spinjitzu[No Color/Any Color]
• Banner, Light Blue Ice Print - Scroll of Forbidden Spinjitzu[No Color/Any Color]
• Banner, Orange Fire Print - Scroll of Forbidden Spinjitzu[No Color/Any Color]

10 moulds first came out in 2019, including in this set

• Banner, Brown Earth Print - Scroll of Forbidden Spinjitzu×3
• Helmet Samurai with Trans Light Blue Icicle Horns×2
• Minifig Neckwear Shoulder Armour With Trans Light Blue Ice×2
• Cone Reverse, Spinner, with Marbled Glitter Trans-Bright Green Pattern
• Minifig Neckwear Shoulder Armor with 2 Spikes
• and 5 more

9 existing moulds first came out in their colour in 2019, including in this set

• Weapon Spike Flexible 3.5LMedium Azure · ×10
• Projectile, Spring Shooter Ammunition 8L BarReddish Brown · ×3
• Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]Medium Azure · ×3
• Brick and Axle Separator v2.0Dark Turquoise
• Helmet Ninja, SamuraiDark Red
• and 4 more

4 minifigure parts with their print are only in this set

• Hips and Red Legs with White Sash, RobeRed
• Minifig Head Akita, Angry, Red Stripes on Cheeks, Teeth, FangsYellow
• Torso Robe with Red Trim, Chines Symbol In Black Medallion Print, White Arms…White
• Wrap with Flames Trans-Bright Green PatternGreen