Run tape measure around your natural waistline, keeping one finger between the tape and your body for a comfortable fit. NATURAL WAIST: Find the natural crease of your waist by bending to one side. BUST: With arms at sides, place tape measure under your arms and run it around the fullest part of the bustline and across the shoulder blades. The Vengeful Blade effect can be Stacked on 5 times. The target will generate an equivalent amount of Hostility against you and will temporarily suffer 10% extra damage when under Physical Critical Hit.