Madness string 111518

Random mermaid
I used to be an unhealthy and unpleasant kid. After years of exercise and working on myself, I am now a healthy and unpleasant adult.

The flames invisible, the poison intangible? The fires that feast on both flesh and bone? The flames that remain unquenched, never-sated by their thirst for the death of all things living? The heat that lurks, forever waiting? Or, like, some other fires?