Demon Blades is treated as a separate damage source, that is not dependent on auto-attacks (it just uses the same Auto-attack time figure to calculate), so I don't *think* it double dips from Haste, but will look at it closely to be sure.
And yeah, I had old values for those stats, thanks for the new ones, will correct.
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Just fixed, ratio stays the same.
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I'll look at trying to model Haste a bit more accurately (what scales and what doesn't) and see if that changes the results dramatically. Give me a bit...