Everything you need to raise Leonhardt to E2 · Skill 7 · Mastery 3 in Arknights. The tables below break it down by stage.
| Material | Tier | Qty |
|---|---|---|
| Caster Dualchip | T5 | 3 |
| D32 Steel | T5 | 4 |
| Polymerization Preparation | T5 | 4 |
| Grindstone Pentahydrate | T4 | 3 |
| Incandescent Alloy Block | T4 | 5 |
| Keton Colloid | T4 | 7 |
| Optimized Device | T4 | 2 |
| Orirock Concentration | T4 | 5 |
| Oriron Block | T4 | 8 |
| Skill Summary - 3 | T4 | 48 |
| White Horse Kohl | T4 | 8 |
| Aketon | T3 | 5 |
| Caster Chip | T3 | 4 |
| Incandescent Alloy | T3 | 2 |
| Loxic Kohl | T3 | 23 |
| RMA70-12 | T3 | 3 |
| Skill Summary - 2 | T3 | 18 |
| Device | T2 | 3 |
| Oriron | T2 | 4 |
| Polyester | T2 | 3 |
| Polyketon | T2 | 3 |
| Skill Summary - 1 | T2 | 8 |
| Oriron Shard | T1 | 5 |
| 23 types total | 178 | |
| Material | Tier | Qty |
|---|---|---|
| Caster Dualchip | T5 | 3 |
| Keton Colloid | T4 | 7 |
| Caster Chip | T3 | 4 |
| Loxic Kohl | T3 | 15 |
| Oriron | T2 | 4 |
| Polyester | T2 | 3 |
| 6 types total | 36 | |
| Material | Tier | Qty |
|---|---|---|
| Skill Summary - 3 | T4 | 6 |
| Incandescent Alloy | T3 | 2 |
| Loxic Kohl | T3 | 4 |
| RMA70-12 | T3 | 3 |
| Skill Summary - 2 | T3 | 18 |
| Device | T2 | 3 |
| Polyketon | T2 | 3 |
| Skill Summary - 1 | T2 | 8 |
| Oriron Shard | T1 | 5 |
| 9 types total | 52 | |
| Material | Tier | Qty |
|---|---|---|
| D32 Steel | T5 | 4 |
| Incandescent Alloy Block | T4 | 5 |
| Orirock Concentration | T4 | 5 |
| Oriron Block | T4 | 3 |
| Skill Summary - 3 | T4 | 21 |
| White Horse Kohl | T4 | 3 |
| Aketon | T3 | 5 |
| 7 types total | 46 | |
| Material | Tier | Qty |
|---|---|---|
| Polymerization Preparation | T5 | 4 |
| Grindstone Pentahydrate | T4 | 3 |
| Optimized Device | T4 | 2 |
| Oriron Block | T4 | 5 |
| Skill Summary - 3 | T4 | 21 |
| White Horse Kohl | T4 | 5 |
| Loxic Kohl | T3 | 4 |
| 7 types total | 44 | |
To combine several operators, deduct your inventory and get a crafting-aware farm plan, use Arknights Calculator.