Intel 1
Advent Pharmaceuticals merged with NDS and secretly launched a research project codenamed Grimes, aimed at finding a way to harness HIEROS-I contamination at its critical threshold.
The idea was that, under the right conditions, life exposed to HIEROS-I contamination might remain sane, break past its biological limits, gain almost limitless vitality, and evolve into a new species.
In fact, supporters of this kind of evolution are far from uncommon.
Intel 2
No surviving record directly states how Project Grimes ended. Even so, everyone knows it was the immediate cause of the Infurno.
In the underground laboratory, Advent Pharmaceuticals researchers failed to maintain control over HIEROS-I contamination.
What followed was not part of any plan. In a single instant, everything was destroyed.
Intel 3
Once activated, HIEROS-I contamination manifests as chaotic rays radiating in every direction.
Anything struck by them undergoes violent restructuring at the material level.
Power grids collapsed. Reactor temperatures spiraled out of control. Containment seals ruptured...
The chain of failures tore through the district again and again. Together, those events became what is now known as the Infurno.
Intel 4
No one remains who can truly be held responsible.
The Old District is saturated with contamination and has been abandoned by human civilization.
At some point, the [Authority Key - Nunn] appeared there and began purifying the region. Grimes quickly pushed it back.
The creature feeds on both HIEROS-I contamination and Authority power, growing stronger with every passing day...
Given enough time, it may consume Nunn completely, leave the poisoned marsh behind, and swim toward the open sea—declaring itself the sole surviving legacy of the Infurno—
A truly perfect lifeform.