WOW. I am truly amased.
I have to say - this is incredible. I must admit, I have tried using this before, however, it either had bugs, or did not work very efficiently. This CC is not very good for 1-40, however, after 40 - it is absolutely incredible.
It fast, it is agile. It superbly and flawlessly handles adds. It is literally better than me at WoW - /slash_wrists.
It life taps before life drains, it uses all the DOTS. I am speechless.
I have customized the default class for my benefit for 1-40 and I found that my customization worked quite well, but there are heaps of bugs that are still buried underneath, and it just did not cut it past 40. I am so glad I came back to this one for another look. I am running revision 61 on HB 1.9.5.3 and it's perfect!
Keep up the great work you two.
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[Edits] Bug List:
Found a couple of bugs 
Potions:
If the bot drinks a potion during combat it does not seem to recognize that it has already drunk it and it keeps trying to drink it again, whenever the stat goes below the trigger point.
Spell/Fire Stones:
Demon Tree has a bug with the both values
useSpellstone and
useFirestone are set to
true. One of these should be false, way Demo is working out, I am guessing it should be
useFirestone = false.
Feature Request - Sacrifice:
There seems to be a single reference to Void Walker's Sacrifice ability, but I do not see any code that makes use of it.
I do not know whether this ability is useful end game, but it certainly is useful in the 30+ range.
At the moment, at level 40 it provides a shield that absorbs 1423 damage for 30 seconds. It prevents spell casting from being interrupted and it can be used as a 'stay alive' skill, similar to the HealthStone and Potions. Can you please include this ability in this CC? It has very small drawback of costing 155HP from your VW, but you get a shield worth of 1423, so that makes it OK in my book. My current HP is 1879, so this shield saved me countless times. It also scales with level, short while ago it was only just over a thousand, now it's nearly 1500.
Many thanks guys !