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 | |
| Iron | 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 |
Jewels
| Component | Tier 1 | Tier 2 | Tier 3 | Notes |
|---|---|---|---|---|
| Amethyst | Twin Projectile | Triple Projectile | Quadruple Projectile | |
| Aquamarine | Twin Projectile | Triple Projectile | Quadruple Projectile | |
| Emerald | Twin Projectile | Triple Projectile | Quadruple Projectile | |
| Ruby | Twin Projectile | Triple Projectile | Quadruple Projectile | |
| Sapphire | Twin Projectile | Triple Projectile | Quadruple Projectile | |
| Diamond | Twin Projectile | Triple Projectile | Quadruple Projectile | |
| Green Core | Twin Projectile | Micro Sonic Winds | Outward Homing Penetrate Sonic (4 Blades) | |
| Red Core | Twin Projectile | Triple Projectile | 4 Counterclockwise Rotating Flames |
Crystals
| Component | Tier 1 | Tier 2 | Tier 3 | Notes |
|---|---|---|---|---|
| Earth Crystal | 5 Earth Spikes (short range) | 7 Earth Spikes (medium range) | 9 Earth Spikes (longer range, wider spread) | Earth attribute projectile change. |
| Fire Crystal | Twin Fireball | Triple Fireball | Quadruple Fireball | Fire attribute projectile change. |
| Water Crystal | Sweeping Water Laser (small arc) | Sweeping Water Laser (larger arc) | 360º Sweeping Water Laser | Water attribute projectile change. |
| Dark Crystal | Slow Dark Orb | Slow Dark Orb (appears farther ahead) | Slow Dark Orb (appears even farther ahead) | Dark attribute projectile change. |
| Light Crystal | 2 Spiraling Light Orbs | 4 Spiraling Light Orbs | 6 Spiraling Light Orbs | Light attribute projectile change. |
| Love Crystal | Nothing | Nothing | Nothing | Love attribute projectile change. |
| Small Crystal | Twin Projectile | Triple Projectile | 360º Sealing Clouds | |
| Big Crystal | Twin Projectile | Triple Projectile | Quadruple Projectile |
Collectibles
| Component | Tier 1 | Tier 2 | Tier 3 | Notes |
|---|---|---|---|---|
| Light Ore | Twin Projectile | Triple Projectile | Quadruple Projectile | |
| Invisible Stone | Twin Projectile | Triple Projectile | Quadruple Projectile |