fixed health cost for the new active skill

One new expert active and passive. Some changes to the expert/master upgrade paths. Passive skill is in testing for coop play despite it being entirely coop focused skill

Added a new expert passive thorns that returns melee damage. Two upgrade paths either upgrade undead damage or change thorns to all element types instead of physical

fixed and removed some hwae particle files. Removed the sorcerer files as well.

Attempt fix at mainhand turning to wizard class req through changing to unique equipment ID's oops

Added new buff icons, but I now plan to rework 4 of them

added other classes ugh

adjusted the item skill scene coords

added item_skill scenes for tools

fixed two of the new skills being given at character creation for testing purposes oops