Spirit of the Abyss

The Spirit of the Abyss is the leader and god of the Magog in the TV series Andromeda. The Abyss is also referred to as "the Darkness" many times in the series. The Spirit of the Abyss first appeared in the episode Harper 2.0, where it used a minion to try to get highly valuable information from Harper's mind.

The Abyss is something of an enigma throughout the entire series. The main protagonists first discover him when they gain access to the information of the All-Systems Library. Originally calling him "Enigma" from the video that they retrieved, they discover the Spirit of the Abyss is the leader of the Magog, an incredibly aggressive race, and that he has sent his minion, Jeger, to retrieve the information, so the Abyss can stay an enigma. Unfortunately for the Abyss, Jeger fails to get the information back and his existence is no longer a secret; he executes Jeger for this failure.

The next appearance of the Abyss is on his own World Ship where the protagonists come face-to-face with him. Due to Rev Bem's false conversion to worshiping the Abyss, Rev learns the simple-minded Magog worship the Abyss as their god and that the Spirit of the Abyss is their creator. Rev is led by Bloodmist (a high-level Magog) to the Abyss, where he is able to sense hate in the Abyss, but also that underneath everything the Abyss does there is love. In a display of power, the Abyss is forced to absorb all of the energy from the World Ship's miniature sun, when it is destroyed by a Nova Bomb from the Andromeda Ascendant, yet he seems only to have defensive powers, not offensive ones.

He is absent for the rest of the second and third seasons but reappears in the fourth season, in which he possesses a number of characters, including Beka Valentine, and he also survives an attempt on his life by Dylan and Tyr in his home dimension.

On the fifth and final season the Abyss either takes possession of a General Burma or manifests a body in the form of General Burma (the viewer is never told which) to try to kill all the inhabitants of the Seefra system using the Methus sun. However, the General Burma avatar is killed by Dylan, which forces the Abyss to move on to his final plan, this time aimed at destroying the three galaxies which make up the Known Worlds. To go about this, the Abyss uses an avatar posing as the leader of the Lambent Kith nebula (a collection of Sun Avatars) coupled with his plan of using the All Forces Nullification Point to destroy these galaxies; all the while duping the Lambent Kith into thinking they will destroy the Abyss in the process. Dylan Hunt disrupts his master plan by finding out that Maura, the leader of the Lambent Kith nebula, is working with the Abyss. Once discovered, the Abyss destroys the Maura avatar and is lured to the Seefra system by Dylan. Once in the Seefra system, it is discovered that Trance has been replaced by Virgil Vox, who is either an Avatar of or an Agent of the Abyss who looks like Trance. This is discovered when the real Trance tesseracts in and Dylan determines which one is which because the real Trance cries while the Abyss has no emotions. Dylan then kills Virgil. Afterwards, Trance uses her Sun (the original Tarn-Vedra sun) to destroy the Abyss by burning him to death with it. The Spirit of the Abyss was killed and this was confirmed by Trance when she says "It is my sun, The Abyss is dead!"

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Wikipedia