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1. Same Blood Different Veins by Womposaurus

   Fandoms: Iron Lung (2026), In Space With Markiplier (Web Series)  

   • Mature
   • Major Character Death
   • No category
   • Complete Work

   12 Feb 2026

   Tags

   • Major Character Death
   • The Convict | Simon (Iron Lung)
   • Head Engineer Mark (In Space with Markiplier)
   • Spoilers for Iron Lung (2026)
   • The Quiet Rapture (Iron Lung)
   • In Space With Markiplier Spoilers
   • In Space With Markiplier Part 2 Spoilers
   • Engineer Mark Fischbach | Markiplier
   • Hurt No Comfort
   • Bad Ending
   • Character Death
   • Blood and Injury
   • Mild Gore
   • Desperation
   • Hallucinations

   Summary

   One day, the stars disappeared without a trace.

   And we all know who’s fault it is.

   The wormhole. The power core. A violent flash into another reality. One where humanity is brought to ruin among dying colonies and moons built of blood. The Engineer did not just make a single mistake. He caused a collapse that echoed across universes.

   And then there is Simon.

   The Butcher. A title whispered to him like a curse. Eden. The Tree. Filament station, lost. A man condemned for crimes committed in desperation, sent into a coffin of encased steel. What would happen if, just if, the engineer stumbled into the Iron Lung itself? A portal into Simon’s nightmare of desperation.

   Language:

   English

   Words:

   24,277

   Chapters:

   11/11

   Comments:

   87

   Kudos:

   207

   Bookmarks:

   46

   Hits:

   1,962