I like your ideas too, especially #4. I think any changes to the flames of chayula and darkness could only be an improvement.
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1. Waking Dream now only grants the "free aura" buff for socketing support gems and is a prerequisite to the Flames of Chayula and Darkness abilities.
2. Darkness is automatically combined with the chaos damage buff rather than having to spend two more ascendancy points to get it.
3. Flames of Chayula now include a white flame for energy shield leech, and include an option to be able to choose which flames appear in the breach.
4. Nodes 5 and 6 have been replaced with "You take 25% of Physical damage as Chaos damage" and "You take 25% of Elemental damage as Chaos damage" respectively.
