[MERGED PR] Wraith salt rework

[Vulwin_Gilran]

I really really love this idea. I feel like it makes defense against a wraith a lot easier to escalate? Since laying salt is normally just done so you can beat the wraiths head in and kill it, but this would make it a defensive thing instead. It also means salt could be used together with a spirit candle to trap the wraith into an area and then to make it materialize.

One thing I am interested about is how it would function with layered lines of salt, or even as an example what would happen if medical just filled every spare space with a salt pile or something. Still I like it, and think it would be a very positive change