Onua - Uniter of Earth

Notable parts

• 2 parts come in a colour no other set has for that mould: Large Figure Skeletal, Limb, 5L with Ball Joint on Axle and Ball Socket (Trans-Purple) ×3; Large Figure Skeletal, Limb with Ball Joint on Axle and Ball Socket and Hole (Trans-Purple) ×2.
• 3 printed parts are only in this set: Large Figure Mask of Earth (Unity) with Marbled Flat Silver Pattern (Black); Large Figure Mask of Earth (Unity) with Marbled Trans-Purple Pattern (Pearl Gold); Large Figure Torso Cover with Gold and Dark Purple Armour Print (Black).
• 4 parts appear in only a few other sets: Large Figure Armor, Crystal with Marbled Trans-Clear Pattern (Pearl Gold) ×2 — also in 71304 Terak - Creature of Earth (all Bionicle); Large Figure Limb Cover, Size 4, Armor with Ball Joint Socket (Trans-Purple) ×4 — also in 71315 Quake Beast, 71304 Terak - Creature of Earth (all Bionicle); Large Figure Torso Cover, Armour, Ribbed (Trans-Purple) ×2 — also in 70793 Skull Basher, 71315 Quake Beast (all Bionicle); Large Figure Torso, Armor Uniter with 2 Pin Holes on Front, Axle and Pin Holes… (Pearl Gold) — also in 71303 Ikir - Creature of Fire, 71308 Tahu - Uniter of Fire, 71304 Terak - Creature of Earth (all Bionicle).
• 5 parts are otherwise only found in Bionicle sets: Large Figure Limb / Torso Cover, Armor (Toa Okoto) (Pearl Gold) ×4; Large Figure Head Connector Block (Toa Okoto) (Flat Silver); Large Figure Head Connector Block Eye / Brain Stalk (Trans-Light Blue); Large Figure Skeletal, Connector with 2 Ball Joints (Pearl Titanium); Large Figure Skeletal, Torso, 5 x 10 with 2 Ball Joints, and Gear (Black).
• 7 moulds first came out in 2016, including in this set: Large Figure Armor, Crystal with Marbled Trans-Clear Pattern ×2; Large Figure Mask of Earth (Unity) with Marbled Flat Silver Pattern ×2; Large Figure Head Connector Block Eye / Brain Stalk; Large Figure Skeletal, Connector with 2 Ball Joints; Large Figure Skeletal, Torso, 5 x 10 with 2 Ball Joints, and Gear; and 2 more.
• 2 existing moulds first came out in their colour in 2016, including in this set: Plate Round 1 x 1 with Solid Stud (Trans-Purple) ×12; Large Figure Limb Cover, Size 4, Armor with Ball Joint Socket (Trans-Purple) ×4.

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.