The Witcher wiki now has a light themed alternative for the wiki skin. To check it out, go to Special:Preferences, then choose the "Appearance" tab and click on the radio button next to "Hydra".
As part of the Unified Community Platform project, your wiki will be migrated to the new platform in the next few weeks. Read more here.
The White Light is one of the omens prophesied by Ithlinne as heralding the beginning of the end of the world. Many people attributed climate changes to the prophesy.