Hell-Return Alchemy Pack

Right-click to use and obtain one of the following items:
80.9%Astral Crystal x28
13%Astral Crystal x33
6%Astral Crystal x40
0.1%Astral Crystal x75

There is also a chance to obtain one of the following items (not guaranteed):
95.99%Qixi Stellar Bonding Gift Box x1
0.5%Ocean‧Lazy Otter x1
0.5%Starry Sky‧Lazy Otter x1
1%Ocean‧Lazy Otter x1
1%Starry Sky‧Lazy Otter x1
0.01%Tier 7 Essence Gift Box x1
0.15%6th Tier Star Energy Essence Random Gift Box x1
0.15%Level 6 Moon Energy Essence Gift Box x1
0.35%Hell-Return Selection Box I x1
0.35%Hell-Return Selection Box II x1

If you open the lucky bag 9 times in a row without obtaining the "6th Tier Star Energy Essence Random Gift Box", "Level 6 Moon Energy Essence Gift Box", "Hell-Return Selection Box I", or "Hell-Return Selection Box II", then the 10th opening is guaranteed to obtain one of them. At that point, the probabilities for "6th Tier Star Energy Essence Random Gift Box", "Level 6 Moon Energy Essence Gift Box", "Hell-Return Selection Box I", and "Hell-Return Selection Box II" are 15%, 15%, 35%, and 35%, respectively.