The above 2 posts, and in some cases it can apply to buffs or enhancements. For Example:-

Raging strikes increases your damage by 20%
Blood for blood increases damage dealt by 10%

you can "stack" these buffs for a 30% damage increase.

However some things don't stack, like scholars galvanize and astrologians nocturnal sect both mitigate a portion of damage but will not stack.
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