The Kingdom of Skyy
Corruption is gained through the body’s contact with evil energies (including cursed grounds, attacks by undead and any necrotic damage taken may result in corruption points being gained, however only 1 corruption point may be gained in any scenario once per source per encounter).
The degree to which a character has been consumed by corruption is measured in 3 stages- mild, moderate, and severe.
A character reaches mild corruption when they manifests their first physical symptom (at 5 points of corruption).
A character is considered to possess moderate levels of corruption when it is above ¼ but below ½ of the character’s corruption threshold.
And a character is considered to possess severe levels of corruption when that form of taint is above ½ of the character’s corruption threshold.
For every 5 points of corruption a character possesses she manifests a Corruption Symptom as evil twists and warps the character’s body.
To calculate a character’s corruption threshold multiply the higher of the character’s Strength score or Constitution score by 5 and add one half your character’s level rounded down.