Fero and Skirmix

Notable parts

• 3 parts come in a colour no other set has for that mould: Large Figure Foot, Claw (Dark Red); Large Figure Head Fenrakk (Dark Red); Large Figure Weapon, Claw, Triple, Small with Axle Hole (Dark Red).
• 7 parts appear in only a few other sets: Large Figure Foot, Claw with Ball Socket (Shadow Matoran) (Dark Red) ×2 — also in 8698 Vultraz (all Bionicle); Technic Beam 1 x 7 with Fan (Dark Red) ×2 — also in 8764 Vezon & Fenrakk (all Bionicle); Technic Beam 1 x 9 Thick (Dark Red) ×2 — also in 10294 Titanic; Large Figure Mask Skrall (Black) — also in 8978 Skrall, 7136 Skrall (all Bionicle); Large Figure Wing, Angled with Hose and Lime Center (Tuma) (Black) — also in 8991 Tuma, 7136 Skrall (all Bionicle); Large Figure Foot, Barraki Kalmah (Dark Red) ×2 — also in 8979 Malum, 8926 Toa Undersea Attack, 8917 Kalmah (all Bionicle); Large Figure Skeletal, Limb, Angular with Ball Joint and Ball Socket… (Dark Bluish Gray) ×2 — also in 7138 Rahkshi, 8699 Takanuva, 8991 Tuma, 8946 Photok (all Bionicle).
• 8 parts are otherwise only found in Bionicle sets: Large Figure Skeletal, Limb, with 2 Ball Joints, and 3 Holes (Rahkshi) (Dark Red) ×3; Large Figure Weapon Blade, Mahri Matoran (Pearl Light Gray) ×3; Large Figure Foot, Piraka Mechanical (Pearl Light Gray) ×2; Large Figure Foot, Toa Metru (Dark Red) ×2; Large Figure Chest Cover (Toa Metru) (Dark Red); and 3 more.
• 5 moulds first came out in 2009, including in this set: Launcher, Large Figure Weapon, Zamor Sphere Launcher, with Hole and Axle Hole ×2; Large Figure Head Connector Block (Glatorian); Large Figure Mask Skrall; Large Figure Weapon Spiked Ball, Thornax Fruit with Black Band; Large Figure Wing, Angled with Hose and Lime Center (Tuma).
• 1 existing mould first came out in this colour in 2009, including in this set: Technic Beam 1 x 9 Thick (Dark Red) ×2.

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