There have been many different diseases known throughout history. Some were so severe that they killed thousands of living creatures. Although a bigger part of those diseases disappeared in time, some of them remained and are known to cause serious consequences continuously. Despite many of them being curable, some of them mutated and started to spread even faster and cause stronger effects. Nevertheless, some of them are being induced on purpose to weaken or eliminate the opponents. One of those diseased is tuberculosis.
In the world of Spellfire, this enhanced exposure disease is considered a blood ability. It allows its user to infect others with severe tuberculosis. When infecting a being, he loses his power is weakened.
Be vigilant and protect your health. You will never know when your opponents will be planning to harm you.