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**Celestine Elsa Lyall** (born 326?) is an individual of the C9 universe, one of those who formed the House of Confidence on Aerogaea 347n.
**Celestine Elsa Helvig** (born 326?) is an individual of the C9 universe, one of those who formed the House of Confidence on Aerogaea 347n.
## Life
Celestine Elsa Lyall was born in year 326 (approximately).
Celestine Elsa Helvig was born in year 326 (approximately).
She was 4 years old in 330, the year the Klak Grove was destroyed.
Twin; youngest in the group.
The manuscript records her across 5 passages, beginning in Chapter 1 — The Klak Grove.
## Mind
Combat / Reactive. She doesn't see the future; she reads the present faster than anyone else. She processes micro-movements — a tensed muscle, a shifting gaze — instantly. She is a counter-puncher. She doesn't start the fight; she ends it before the enemy finishes their swing.
Nearly closed. To survive trauma, she aggressively filters out emotional data. She sees a trap, not a danger. She sees calories, not food.
Survival logic. Cold, binary. If I scream, they find me. If I stay quiet, I live.
She mimics the fighting styles of those she loves. Marcus when defending. Amaryllis when attacking. Chrys when solving problems. She is a living collage of the squad's best traits.
## Body
Adaptive. In vacuum, pores seal and skin hardens. In heat, pores open and sweat evaporates instantly (steam breath).
Closed-loop. She can recycle her own oxygen and blood gases for extended periods, allowing survival in water, smoke, or vacuum.
Once she grabs something — or someone, like Marcus — her tendons lock in place. Impossible to dislodge without her consent.
## Appearances
[[pages/glass-house-chapter-1-the-klak-grove|Chapter 1 — The Klak Grove]], [[pages/glass-house-chapter-13-the-ally-and-the-ghost-op|Chapter 13 — The Ally and the Ghost Op]], [[pages/glass-house-chapter-17-the-explosion|Chapter 17 — The Explosion]], [[pages/glass-house-chapter-3-the-lab-and-the-threat|Chapter 3 — The Lab and the Threat]], [[pages/glass-house-chapter-5-the-first-of-senetis|Chapter 5 — The First of Senetis]].