Decrease Accuracy debuff is a powerful debuff aimed at stopping your opponents from landing their debuffs on your team. This can be extremely helpful in high end content such as Doom Tower or in the arena to reduce the ability of champions like Madame Serris to have a major impact on your team. There are 2 strengths to this debuff, a 25% and 50% and this reduces the Total amount of Accuracy on the enemy affected by this debuff.