@00mc00 wiki says otherwise "Buff Stacking: All skills that increase or reduce a statistic can stack with each other. Each application however has its own duration and will dissipate individually when that duration ends. Percentage-based stats such as armor will be increased or decreased additively. Multiplicative skills affecting non-percentage-based stats, like defense (for example the Paladin's Holy Shield or Barbarian's Baleful Glare), will multiply by the current amount. This means successive Baleful Glare's will reduce by smaller and smaller amounts, while successive Holy Shields (only possible through cooldown reduction), will apply larger and larger amounts of defense. " how did you test this?
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