Trolls' Mountain Fortress

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

• Weapon Club Large (Troll)Dark Brown · ×2
• CrownMetallic Copper

1 printed part is only in this set

• Brick Sloped 65° 2 x 2 x 2 with Rope Belt, Tatters, and Stitches PrintReddish Brown

9 parts appear in only a few other sets

• Castle Turret Top 4 x 8 x 2 1/3Dark Brown · ×2also in 70321 General Magmar's Siege Machine of Doom
• Wave / Lightning Angular, Double with Marbled Trans-Green PatternTrans-Neon Greenalso in 853111 Ninjago Weapons Set + Lenticular Card
• Neckwear Cape, Tattered with HolesReddish Brown · ×2also in 852701 Troll Warriors Battle Pack, 9001925
• Hand Troll, Left with Technic PinDark Tanalso in 852293 Castle Giant Chess Set, 7036 Dwarves' Mine (all Castle)
• Hand Troll, Right with Technic PinDark Tanalso in 852293 Castle Giant Chess Set, 7036 Dwarves' Mine (all Castle)
• Hand Troll, Left with Technic PinSand Greenalso in 7048 Troll Warship, 852293 Castle Giant Chess Set, 7038 Troll Assault Wagon (all Castle)
• Hand Troll, Right with Technic PinSand Greenalso in 7048 Troll Warship, 852293 Castle Giant Chess Set, 7038 Troll Assault Wagon (all Castle)
• Wedge Plate 4 x 4 Cut CornerDark Green · ×4also in 70012-2, 8100 Cyclone Defender, 9494 Anakin's Jedi Interceptor, 7782 The Batwing: The Joker's Aerial Assault
• Skull 1 x 4 x 3 Relief with Two PinsDark Bluish Grayalso in 7623 Temple Escape, COMCON002 BrickMaster (SDCC 2008 exclusive), 9780756672812, 6241 Loot Island

1 part is otherwise only found in Castle sets

• Animal / Creature Accessory, Horse Battle Helmet [Angular, Front Clip]Dark Blue

3 moulds first came out in 2009, including in this set

• Neckwear Cape, Tattered with Holes×2
• Wave / Flame Rounded Large with Marbled Trans-Orange Pattern×2
• Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3

7 existing moulds first came out in their colour in 2009, including in this set

• Plate Special 1 x 1 with ToothDark Red · ×16
• Tile 1 x 4 with GrooveDark Brown · ×8
• Plant, Sea GrassDark Green · ×6
• Barrel 2 x 2 x 2Dark Brown · ×2
• Castle Turret Top 4 x 8 x 2 1/3Dark Brown · ×2
• and 2 more

7 minifigure parts with their print are only in this set

• Arm, Bigfig, Left with Black Wristband and Skull PrintDark Tan · ×2
• Arm, Bigfig, Right with Black Wristband and Skull PrintDark Tan · ×2
• Body Giant, Fantasy Era Troll with Black Armor Pattern, Copper/Silver…Dark Tan · ×2
• Minifig Head Troll King, Red Eye, Scar Across Other Eye and Lower Fangs Print…Sand Green
• Minifig Head Troll Queen, Red Eyes, Dark Green Lips and Lower Fangs Print…Sand Green
• and 2 more