Weapons Complex is a complex containing the Attameter Artifact and the Cartograph Artifact. This is also the place where Samus encounters the Bounty Hunter Sylux for the first time.
- Attameter Artifact
- Defeat the Psycho Bits and destroy their generators to lower the force field in the center. Then defeat the Lesser Ithraks, and collect the Shield Key. The artifact will appear back on the main floor.
- Cartograph Artifact
- Defeat Sylux to obtain the Shield Key. The artifact is above the entrance to Bioweaponry Lab.
- Gestation Tanks
- "REINFORCED TANKS USED TO GROW NANITES FOR MORPHING AMMUNITION AND MISSILES."
- Alimbic Prophecy 07
- "VIOLET CRYSTAL SHALL SHATTER THE HEAVENS, LEAVING IN ITS WAKE A RED STAIN."
- History 03
- "THE PEACE OF ANCIENT ALIMBIC TRIBAL CULTURE WAS SHATTERED BY A DEADLY EXTRATERRESTRIAL INVASION. THE SURVIVORS VOWED NEVER AGAIN TO BE CAUGHT UNPREPARED."
- History 04
- "WE FOCUSED OUR RESOURCES ON MILITARY SCIENCE AND QUICKLY DEVELOPED WEAPONS AND DEFENSES THAT SURPASSED THE TECHNOLOGY OF OUR ENEMIES."
- Octolith Safeguard
- "BEWARE OUR GUARDIANS. THESE DEADLY SENTINELS TRAVEL IN PACKS AND ARE PROGRAMMED TO PROTECT THAT WHICH IS DEAR TO US."