This expertise represents the character's skill at removing and purifying Dark Side corruption from inanimate objects and places. This ability cannot be used on living creatures without causing severe and extreme pain and with a high likelihood of severe damage to their body or spirit, potentially including death. Purification is related to Force Light, but with some key differences - it works more slowly and on a smaller scale, but with a greater upper end of effectiveness when it comes to actually removing corruption rather than simply weakening it. It cannot be used in combat or similar demanding scenarios. Purification also cannot protect against active Dark Side threats or be used to harm or defeat Dark Side entities such as Sith Spirits or Sithspawn. Consider Force Light to be a fast and hard-hitting hammer and shield, and Purification a slow, precise cleanup.
Outside of training scenarios, most instances in which Purification is needed are likely to be Staff-run events or plotlines - so consider the probable need for Staff oversight and guidance with this ability.
Using Purification should always be considered to require concentration - meaning you cannot take other significant action while performing it without halting or losing your progress.
No Points: You are capable of purifying weak or mild levels of dark side corruption from items, but anything of true power threatens to overwhelm you - the Dark Side is anything but passive. You can assist more skilled Purifiers with tasks to bolster their resolve and stamina.
1 Point: Your skills have progressed such that you have a degree more resistance to the corruptive influences of things you are trying to purify. You are now able to handle slightly more intense levels of corruption, such as Bled Kyber Crystals belonging to Sith or Dark Jedi acolytes or apprentices, and you can apply your skills to a small area around yourself with concentration, cleansing slowly and methodically. At this stage you can also begin to handle things like the remains of Sithspawn creatures and zombies.
2 Points: You are an experienced and capable Purifier. You can handle fairly significant degrees of corruption in objects and in a decently sized area around yourself. You can purify more advanced and deliberately crafted Dark items, like Alchemy-infused weapons, Sorcerous talismans, or Mechu-Deru contraptions.
3 Points: You've been around the block many times, and can apply a firm hand to cast out the Dark Side from where it doesn't belong. Your skill at purification is such that you can handle removing the taint from items that have been severely exposed to the Dark Side for long periods, potentially even the personal belongings of great Sith Lords, or edifices made by powerful Sith Alchemists or Sorcerers. When cleansing an area, you can scrub clean a significant zone around yourself from strong Dark influence.
3☆ (Mastery): There is no fetter to which Darkness may cling which you cannot wash clean of its malignance. The potency with which you cast aside and rebalance Dark energies is marvelous to behold. Artifacts of Dark Lords of the Sith, sites of accursed rituals and immense tragedies, Holocrons of ancient masters of the Dark - if anyone is capable of bringing light to these pitch-black pits, it is you. You are not guaranteed success, and items and places of such immense dark power will surely demand a great toll from you to purify, but especially with assistance you may succeed where others would surely be doomed to failure. You cannot achieve the same speed or broad area of effect as a master of Force Light, but your results are more certain.