I think it's time for another topic on this. We've had a lot more beta experience since the early days of the announcement.
Inner Fire - Level 85
A Holy armor which increases your spell damage and healing, as well as your armory. Use it at all times.
Read: 425 Spell Power and I think increase armor by 90%.
Inner Will - Level 85
A burst of Holy energy fills the caster, reducing the main cost of Insstant cast spells by 15% and increasing your movement speed by 10%.
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Okay, so 425 Spell Power and 90% Armor Increase versus 10% Run Speed and 15% mana cost reduction on instant cast spells.
Now, does this seem a bit stale to anyone? I'm just seeing this as "If you are having mana issues, use Inner Will. Once you gain enough regen, change to Inner Fire for more output".
Yes, at the moment, they are both instant cast with no mana cost, does that make it interesting? Is it something else we want to juggle in combat?
Does Inner Fire seem like a cover-all instead of mimicking the Warlock versions of Demonic and Fel armor, giving the idea of an Offensive and Defensive mode.
Do you see a use for Inner Will in BGs and Arena? We will just use it when there are no melee around? (Perhaps no Felguards either ;D)
Lastly, lol at the lack of update on Inner Fire tooltip on Beta and yet the Live version is great.