This simple method to complete the Gacha Set using less money.
1. Open Depleted Beads
2. Should not get an Elena's Item
3. If you opened an Elena's Item delete IMMEDIATELY and repeat step 1
4. If no Elena's item then open an Epic Bead [Youll Get a Sure Gacha Part]
5. See Table Down for Info on how many need iopen depleted
3 Depleted - First 4 Parts
4 Depleted - 6th and 7th Parts
5 Depleted - 8th to 11th Parts
6 Depleted - Last Part
this is the screenshot