Slow

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Slow is a detrimental effect that reduces the attack speed of its target. This is generally induced by the spells/songs of Shamans, Enchanters, Beastlords or Bards, but can also be effected by the procs of certain weapons. Beastlord Warders, through a buff given by their owners, can also proc a slow.

Higher level NPCs generally do not suffer the full effects of a slow, but mitigate the severity by 25%, 50% or even 75%. This is indicated by the following messages, "Your spell was mostly/partially/slightly successful" respectively.

Despite this mitigation, a slower is still considered to be a valuable asset to tanking groups.