Everything you need to raise Istina to E2 · Skill 7 · Mastery 3 in Arknights. The tables below break it down by stage.
| Material | Tier | Qty |
|---|---|---|
| Bipolar Nanoflake | T5 | 4 |
| D32 Steel | T5 | 4 |
| Supporter Dualchip | T5 | 3 |
| Keton Colloid | T4 | 7 |
| Optimized Device | T4 | 5 |
| Oriron Block | T4 | 6 |
| Polyester Lump | T4 | 8 |
| Skill Summary - 3 | T4 | 48 |
| Sugar Lump | T4 | 8 |
| Integrated Device | T3 | 2 |
| Orirock Cluster | T3 | 8 |
| RMA70-12 | T3 | 15 |
| Skill Summary - 2 | T3 | 18 |
| Supporter Chip | T3 | 4 |
| Oriron | T2 | 3 |
| Polyester | T2 | 5 |
| Polyketon | T2 | 6 |
| Skill Summary - 1 | T2 | 8 |
| Ester | T1 | 7 |
| 19 types total | 169 | |
| Material | Tier | Qty |
|---|---|---|
| Supporter Dualchip | T5 | 3 |
| Optimized Device | T4 | 5 |
| RMA70-12 | T3 | 9 |
| Supporter Chip | T3 | 4 |
| Polyester | T2 | 5 |
| Polyketon | T2 | 2 |
| 6 types total | 28 | |
| Material | Tier | Qty |
|---|---|---|
| Skill Summary - 3 | T4 | 6 |
| Integrated Device | T3 | 2 |
| Orirock Cluster | T3 | 4 |
| RMA70-12 | T3 | 3 |
| Skill Summary - 2 | T3 | 18 |
| Oriron | T2 | 3 |
| Polyketon | T2 | 4 |
| Skill Summary - 1 | T2 | 8 |
| Ester | T1 | 7 |
| 9 types total | 55 | |
| Material | Tier | Qty |
|---|---|---|
| Bipolar Nanoflake | T5 | 4 |
| Oriron Block | T4 | 6 |
| Skill Summary - 3 | T4 | 21 |
| Sugar Lump | T4 | 8 |
| RMA70-12 | T3 | 3 |
| 5 types total | 42 | |
| Material | Tier | Qty |
|---|---|---|
| D32 Steel | T5 | 4 |
| Keton Colloid | T4 | 7 |
| Polyester Lump | T4 | 8 |
| Skill Summary - 3 | T4 | 21 |
| Orirock Cluster | T3 | 4 |
| 5 types total | 44 | |
To combine several operators, deduct your inventory and get a crafting-aware farm plan, use Arknights Calculator.