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Alexis Glass-Mason

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  Alexis Glass-Mason
Actor Erika Forest - Season 3 & 4
Scarlett Byrne - Season 4
Seasons Season 3 & 4
Gender Female
Allegiance Espheni
Age ~1 year (biologically)
21 years old (physically)
Family The Monk - Genetic Source
Karen Nadler - DNA donor
Anne Glass - Biological Mother
Tom Mason - Biological father
Sam Glass - Half-brother (Deceased)
Hal Mason -Half-brother
Ben Mason - Half-brother
Matt Mason - Half-brother
First Appearance On Thin Ice
Status Alive
Ethnicity Caucasian-American
Alexis Glass-Mason Gallery
I tried to teach the people here to make peace with their enemies, but I see now it is of no use. Humans cannot get rid of their warlike ways.
Alexis before leaving Chinatown

Alexis "Lexi" Glass-Mason is Tom Mason's and Anne Glass's daughter, and half-sister to Hal Mason, Ben Mason and Matt Mason.


Season 3Edit

"On Thin Ice"Edit

At least 9 months into the invasion Anne found out she was pregnant with Tom's child. The baby was born at least 7 months later. Tom announced the baby's name at the forum.

"Collateral Damage"Edit

Alexis showed signs of being "advanced" early on, being able to pull herself up in her bed, move around freely, track movement, and talk only a week after being born- actions which were only seen by Anne and which frightened her.

"At All Costs"Edit

Some time later, Anne has Roger Kadar run a blood test on Alexis and found she had alien DNA in her blood stream.

"Search and Recover"Edit

Dr. Kadar later explains to Weaver and the others that this meant Alexis is a human-alien hybrid, an entirely new species. Fearing that the revelation of a hybrid child might cause the citizens of Charleston to harm her child, Anne knocks out both Kadar and her friend Lourdes (who was secretly implanted with Espheni eye worms, making her an unwilling Espheni agent) and flees, but she and Alexis are soon captured by the Espheni.


2 months after Alexis is born, she and Anne are found by Tom after the attack in Boston. Alexis' alien DNA has caused rapid growth; she is physically now six years old and fully capable of speech. When they get to safety in the resistance, Anne spend her time resting in a tent. Meanwhile Alexis is approaching the cage for Lourdes who's still bound to the eye worms. As Alexis touches her chin, she cures Lourdes and the eye worms are dragged to her hand instead. As her father Tom and Weaver are watching, she kills the eye worms by closing both of her hands and later when she opens them, the eye worms have vanished and turned into dust.

Season 4Edit

"Ghost in the Machine"Edit

22 days after travelling back to Charleston and safety, the 2nd Mass is finally near home. However, things are not so simple as the Espheni attack heavy and hard with new weapons never before seen. Just before the attack, Lexi makes an ominous comment, "We don't all have to die here." . As the Espheni is dropping large obelisks that create a grid that keeps everyone grouped together on the 2nd Mass forces, separating loved ones, Ben grabs Lexi and runs off with her to safety along with Lourdes and Maggie.

4 months pass in which Lexi continues to change, she now has platinum-blonde hair, blue eyes, pale skin. She sets up a safe zone for Ben, Maggie, Lourdes and many others. When Ben wakes up from a coma, he notices her as a young woman with a long white dress. He notices Alexis's necklace and ask her what it is, to which she replies unity. Confused he asks her who she means and she calmly replies "All three of us.". After a moment of silence, Lourdes tells Alexis that everyone is ready for her, and she is thanked for bringing these news. She then comforts Ben and tells him that she is protecting him now instead of the other way around. Too confused by the situation, Ben tells his half-sister that they should find Hal and the other family members, but Alexis promises Ben is safe in Chinatown. At night while she is meditating, some moonlight comes in through the window, which she then touches, and makes it chime.

"The Eye"Edit




"Evolve or Die"Edit


"Mind Wars"Edit


"Door Number Three"Edit

The first time Alexis is seen in this episode is when she and Lourdes are talking, and Alexis ominously tells her not to be afraid of change, then asks to be left alone. When Anne and Tom come in to see her, she is an Espheni cocoon. The rest of the Masons are called in, as well as Weaver and Dr. Kadar. Dr. Kadar compares it to a butterfly and a chrysalis, saying if you cut the butterfly out before it's ready, it will die. For the rest of the episode, she is shown in the background as multiple family members come in to try to discuss what to do about her. In the end, when Anne is under the influence of a drug to help bring back memories of her time in an Espheni cocoon, Alexis appears in her memory, shows her one of her own, and tell Anne she needs her. Anne wakes up, and runs to Alexis, and puts her hand on the hot cocoon, which does not burn her. A second passes, and Alexis' hand is touching the wall of the cocoon where Anne's hand is. Alexis' eyes open.

"Saturday Night Massacre"Edit

Alexis emerges from her cocoon naked, though Lourdes quickly gives her a red dress to don. Alexis prepares to leave, despite the protests from her parents. She says trying to preach them peace will never work, as she read their thoughts and emotions while she was in the cocoon. Alexis leaves, attempted to be stopped by Pope, when she makes his gun point at another rioteer. Lourdes begs to be allowed to go with Alexis, saying she was afraid without Alexis. Alexis presses her hand to her cheeks, and makes Lourdes' eyes bleed, somehow killing her. Alexis leaves, and Ben goes after her later on. Taking control of his spikes, she leads him onto a Beamer.

"A Thing With Feathers"Edit

Alexis shows Ben the Espheni Farm, saying it is evolution for the humans, though Ben disagrees. She says that she is leaving for training soon, and wishes for him to come with her. Ben refuses, and he begins to leak blood from his eyes. She stops harming him, and allows him to leave, clearly thinking on what he said.

Til Death Do Us Part

Alexis is mentioned but does not appear in this episode.


As a hybrid, Alexis has mysterious abilities no one knows the full limitations of, as she has not been trained to use them to their full potential. However, overuse can cause her to be physically ill. These are the powers shown on screen, or she says she has.

Known Abilities:

Mental Communication/Control with Espheni: Her first power shown on screen, she uses it to rid Lourdes of her eyeworms in Season 3, and in Season 4, she mental communicates with the Overlord, hearing his thoughts in her head.

Super SensesMentioned by her in one of the first Season 4 episodes to Ben, she says she can see and hear things other people cannot, hinting that she has superior senses.

Super Strength: Alexis is able to bend Maggie's wrist and arm back with ease to the point she almost broke it, with one hand.

Weather Manipulation/Atmokinesis: Displayed in the early Season 4 episodes, whenever Alexis' emotions would go out of control, strong winds would stir, and storm clouds would appear in the sky.

Telepathy: When Alexis emerges from her cocoon in Saturday Night Massacre, she states she read their thoughts while she was inside.

Empathy: When Alexis emergers from her cocoon in Saturday Night Massacre, she states she read their emotions.

Biokinesis: Alexis uses it to choke Anne, stopping before she died, later using it in a way to kill Lourdes, the only visual sign being Lourdes' eyes bled. This ability was also used on Ben Mason, though Alexis stopped before it turned fatal.

Telekinesis: In Saturday Night Massacre, Alexis makes Pope's gun point away from her with her mind, the reasoning for it not being mind control is Pope struggled against it. Another possible appearance of this ability was in The Eye, when a vial slammed against the wall when no one touched it, and her powers went haywire. The vial could have been affected by the winds brewing outside.

Unknown Abilities:

Energy/Light Conversion/Creation: When speaking with an Overlord, she made three green rings appear in the air in front of her merely by touching where they would appear. They appeared to be made of some form of light or energy, and this power has not been mentioned elaborated on since. Another example is Ghost in the Machine, when she redirected moonlight by touching it with her hand.


Season 3 appearances
On Thin Ice Collateral Damage Badlands At All Costs Search and Recover
Be Silent and Come Out The Pickett Line Strange Brew Journey to Xilbalba Brazil
Season 4 appearances
Ghost in the Machine The Eye Exodus Evolve or Die Mind Wars Door Number Three
Saturday Night Massacre A Thing With Feathers Til Death Do Us Part Drawing Straws Space Oddity Shoot the Moon


  • Alexis is a completely different species, as she is an Espheni-human hybrid.
  • She thinks the Overlord is her father, though he is just her genetic source, not her biological father.


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