EffectConcealment

// Create a Concealment effect. // - nPercentage: 1-100 inclusive // - nMissChanceType: MISS_CHANCE_TYPE_* // * Returns an effect of type EFFECT_TYPE_INVALIDEFFECT if nPercentage < 1 or //  nPercentage > 100. effect EffectConcealment(int nPercentage, int nMissType=MISS_CHANCE_TYPE_NORMAL);