Mask Maker vs. Skull Grinder

1 part comes in a colour no other set has for that mould

• Large Figure Mask SkullFlat Silver

1 printed part is only in this set

• Large Figure Chest Cover, Armour Small with Red Background, Chains and Gears…Pearl Titanium

10 parts appear in only a few other sets

• Large Figure Mask of CreationPearl Goldalso in 5004409 Bionicle Power Up Cape (all Bionicle)
• Large Figure Mask Protector with Marbled Trans-Light Blue Pattern (Protector…Pearl Goldalso in 9781407162584
• Large Figure Torso Cover, Armour, RibbedTrans-Neon Orangealso in 71313 Lava Beast (all Bionicle)
• Large Figure Weapon Axe, Skull WarriorFlat Silver · ×3also in 70794 Skull Scorpio, 70793 Skull Basher (all Bionicle)
• Large Figure Skeletal, Limb with Ball Joint and Ball Socket, ShortTrans-Neon Orangealso in 70208 CHI Panthar, 70207 CHI Cragger
• Large Figure Shoulder Cover, Armour, RidgedPearl Titanium · ×4also in 70793 Skull Basher, 70791 Skull Warrior, 70792 Skull Slicer (all Bionicle)
• Large Figure Weapon Sword, Skull WarriorFlat Silveralso in 71310 Umarak the Hunter, 70791 Skull Warrior, 70792 Skull Slicer (all Bionicle)
• Large Figure Skeletal, Limb with Ball Joint and Ball Socket, Rounded BeamFlat Silver · ×4also in 70794 Skull Scorpio, 70793 Skull Basher, 70791 Skull Warrior, 70792 Skull Slicer (all Bionicle)
• Large Figure Hand, Fist with Axle Hole, 4 FingersTrans-Neon Orange · ×2also in 71308 Tahu - Uniter of Fire, 70783 Protector of Fire, 70211 CHI Fluminox, 70207 CHI Cragger
• Large Figure Skeletal, Torso with 7 Ball Joints, and 6 Holes, SmallFlat Silveralso in 70794 Skull Scorpio, 70793 Skull Basher, 70791 Skull Warrior, 70792 Skull Slicer (all Bionicle)

4 parts are otherwise only found in Bionicle sets

• Large Figure Head Connector Block (Toa Okoto)Flat Silver · ×2
• Large Figure Head Connector Block Eye/Brain Stalk (Toa Okoto)Trans-Neon Green
• Large Figure Head Connector Block Eye/Brain Stalk (Toa Okoto)Trans-Neon Orange
• Large Figure Limb / Torso Cover, Armor (Toa Okoto)Pearl Gold

16 moulds first came out in 2015, including in this set

• Large Figure Shoulder Cover, Armour, Ridged×4
• Large Figure Skeletal, Limb with Ball Joint and Ball Socket, Rounded Beam×4
• Large Figure Weapon Axe, Skull Warrior×3
• Large Figure Head Connector Block (Toa Okoto)×2
• Large Figure Head Connector Block Eye/Brain Stalk (Toa Okoto)×2
• and 11 more

2 existing moulds first came out in their colour in 2015, including in this set

• Large Figure Foot, with Ball Socket 3 x 5 x 2Flat Silver · ×2
• Large Figure Skeletal, Torso with 7 Ball Joints, and 6 Holes, SmallFlat Silver