Corruptions of the Soul is a form of change that has effected the spiritual essence of a person. It has been determined that a spiritual essence or soul is normally pure without any outside influence. When a corruption occures the soul no longer is as pure as it once was. Now this doesn’t necessarily mean it is a bad thing, merely, different. Ie: If a soul was a glass of pure water then a corruption would be like ink added to it.
Now currently it has not been determined that once a person is corrupted that they can be reverse. Further study will be needed to determine this….