Mkiller,for the function of the buff/debuff spell,maybe I can help you give the info. Attack buff:
more accurate,but the attack damage remain the same. The bigger the level,the more faster/accurate you hit em'.
Best attack buff
-solo=> eagle eye
-guild=> united bravely
Damage buff:
raise the damage,but the accuracy are depending to the level. The bigger the level,the more increasing damage will be given.
Best damage buff
-solo=> frenetic fury
-guild=> opera of blood
Added (2010-12-06, 10:21 Am)
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Attack Debuff:
lower the foe's accuracy through us.
Damage Debuff:
lower the foe's damage through us.