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Hovering Energy Organism: Metroid

In Cosmic year 20X5, a Galactic Federation exploration vessel discovered an unknown organism on SR388. The hovering creature was a Metroid, an entity that exhibited frightening parasitic, energy-absorbing properties.

Some time later, gifted bounty hunter Samus Aran was dispatched alone to engage the Zebesian Space Pirates who abducted the Metroid specimen for use as a weapon. On Zebes, Samus also encountered the biomechanical Mother Brain, leader of the Space Pirates, and dispatched her in a bitter fight. From then on, Metroids were viewed as a highly dangerous life form.

Eventually, Samus Aran was sent to SR388 to exterminate the last remaining Metroids – but only after an entire Federation platoon was wiped out in an earlier attempt.

At the end of her battle on SR388, one Metroid hatchling was born before Samus’s eyes and it imprinted upon her as a mother figure. Samus took this larval Metroid, the last in the universe, to the Galactic Space Academy for observation and research.

This research revealed several possible applications of Metroid-based technology for the betterment of humanity. The unique energy-absorption properties of Metroid could be harnessed when they were artificially reproduced in captivity.

Just when it seemed as if peace might prevail in the galaxy, Space Pirates returned for the Metroid hatchling and took it back to Zebes.

Samus followed the Pirates back to Zebes and fought to exterminate their threat and save the last Metroid.

In the final battle with Mother Brain, the hatchling saved Samus, giving up its life in the process. Samus succeeded in defeating Mother Brain, but the universe lost the promise of using Metroid for the power of good.