Objectives

解锁全部配方制作寒冰巨龙屠戮者武器。

Tiers

1. 1 : 2 objectives completed
2. 1 : 4 objectives completed
3. 2 : 6 objectives completed
4. 2 : 8 objectives completed
5. 2 : 10 objectives completed
6. 3 : 12 objectives completed
7. 4 : 14 objectives completed
8. 5 : 16 objectives completed