Tox

Caitlyn cared deeply about the Earth and nature. As she grew up, she watched as one of her favourite swimming holes become toxic from the runoff of the nearby mill. It was the motivation for her to study chemistry in university so that she could find better ways for humans to get rid of waste through the use of chemical reactions to remove the unnatural chemical combinations that nature could not deal with.

She was onsite collecting water samples from a local mine's refuse site. They built two dams to contain all the water that they dumped refuse into, creating a thick black sludge at the bottom of the murky waters. Dam site #2 towered above the easily accessible dam site #1 where she was when the second dam gave way.

What would later be found to be a fault in rushed engineering of the second dam would be the last anyone saw of Caitlyn, the kind hearted chemist.

The... thing... that emerged from the toxic sludge would be only known as Tox. The chemical makeup of the refuse altered her DNA when debris punctured her body, letting the waste seep into her... change her.

Water she consumed now turned to a gaseous form of hydrogen peroxide. Everything she touched died from the deadly toxins that she'd breath out or seeped from the pores of her skin.

Humans created her, the deadliest toxic being. Cleansing the Earth, meant cleansing her creators.