Upgrading staves in Rune Factory 4 grants them different tiers of charges, each with a different effect. They can be mixed and matched in each tier.
Charge Effects
Minerals
| Component | Tier 1 | Tier 2 | Tier 3 | Notes |
|---|---|---|---|---|
| Scrap Metal | Twin Projectile? | Triple Projectile? | Quadruple Projectile? | |
| Scrap Metal+ | Twin Projectile? | Triple Projectile? | Quadruple Projectile? | |
| Silver | Twin Projectile? | Triple Projectile? | Quadruple Projectile? | |
| Gold | Twin Projectile? | Triple Projectile? | Quadruple Projectile? | |
| Platinum | Twin Projectile? | Triple Projectile? | Quadruple Projectile? | |
| Orichalcum | Twin Projectile? | Triple Projectile? | Quadruple Projectile? | |
| Dragonic Stone | Twin Projectile? | Triple Projectile? | Quadruple Projectile? | |
| Amethyst | Twin Projectile? | Triple Projectile? | Quadruple Projectile? |
Jewels
| Component | Tier 1 | Tier 2 | Tier 3 | Notes |
|---|---|---|---|---|
| Amethyst | Twin Projectile? | Triple Projectile? | Quadruple Projectile? |