1) Fix Leeching Swarm damage and create spell difficulty links to code. Closes issue #4909 .
2) Fix Valkyr's Touch. Closes issue #4553 .
3) Fix Permafrost aura difficulty check.
4) Reduce Slime Pool damage range.
5) Avoid Shaman Champion Heroism spam using 5 minutes (CD) as timer.
6) Fix many spell target selection to only select players (no more totens or pets).
7) Fix Anub'arak Spike being able to receibe the permafrost aura in order to cast spike fail, hopefully.
John Holiver