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Talk:Lethality

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Removed the following two points:

  • This talent is best used with improved backstab, but presented with the choice, opportunity is a much better overall damage upgrade (20% vs 8%).
  • Surprise Attacks is (as of 2.0.6) better than Lethality, but it is possible to have up to 4 points in Lethality even with 41 points in the Combat Tree and 5 points in Opportunity.

Why is Suprise Attacks better than Lethality? Why is this talent best used with Improved Backstab? Explain your reasoning, provide data/facts.

 Gank talk / cont    13:35, 16 February 2007 (EST)

  • I revisited the math here because it just wasn't adding up in my head. For the curious, here's my derivation. I modeled misses fairly crudely, they just reduce damage by 1/5, since you lose 12 energy on a backstab miss. Taliafears 17:26, 20 March 2007 (EDT)
bsdamage = average non-crit backstab
crit = your critical strike rate
miss = total miss/dodge/parry on the mob you're attacking
avgbsnolethal = bsdamage * ((1 - crit - miss) + 2*crit - .2*miss)
avgbslethal = bsdamage * ((1 - crit - miss) + 2.3*crit - .2*miss)
lethalbonus = (1 - crit - miss + 2.3*crit - .2*miss)
              -------------------------------------     -  1
              (1 - crit - miss + 2*crit - .2*miss)
              
            = (1 + 1.3*crit - 1.2*miss)
              -------------------------   -  1
              (1 + crit - 1.2*miss)
              
            = (1 + 1.3*crit - 1.2*miss)        (1 + crit - 1.2*miss) 
              -------------------------   -    --------------------- 
              (1 + crit - 1.2*miss)            (1 + crit - 1.2*miss)     
              
            = 0.3*crit
              ---------------
              (1 + crit - 1.2*miss)
assuming 5% dodge, no miss/parry
            
            = 0.3*crit
              ---------------
              (1 + crit - 1.2*.05)
              
            = 0.3*crit
              ---------------
              (.94 + crit)

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