To use a rune in a runic phrase costs (Base) x (Multiplier) x (Overburn) units of testament, where the (Base) is the base cost for that rune at the specified level and (Multiplier) is as follows:
(Overburn) is 5 if the rune is linked to an Overburn rune, or 1 otherwise.
| Rune | Base Cost |
| Lightning | 1 |
| Water | 1 |
| Fire | 1 |
| Ice | 1 |
| Light | 1 |
| Darkness | 1 |
| Acid | 1 |
| Radiation | 1 |
| Chaos | 1 |
| Leaf | 2 |
| Soil | 2 |
| Blood | 2 |
| Glass | 1 |
| Iron | 1 |
| Copper | 1 |
| Silver | 1 |
| Gold | 1 |
| Bronze | 1 |
| Platinum | 1 |
| Gender | 2 |
| Repair | 3 |
| Break | 4 |
| Target | 1 |
| Tool | 2 |
| Body | 4 |
| Mechanism | 3 |
| Rune | Base Cost |
| Storm | 4 |
| Mist | 4 |
| Land | 4 |
| Air | 4 |
| Life | 4 |
| Soul | 4 |
| Wood | 3 |
| Stone | 3 |
| Flesh | 3 |
| Custard | 2 |
| Knowledge | 4 |
| Age | 4 |
| Commend | 5 |
| Release | 3 |
| Guard | 2 |
| Rune | Base Cost |
| Pure | 10 |
| Time | 15 |
| Bacon | 3 |
| Create | 8 |
| Destroy | 10 |
| Alter | 16 |
| Rune | Base Cost |
| Imbue | 2, 5, 13 |
| Shield | 3, 8, 20 |
| Power over | 4, 10, 27 |
| Stats: Body | 2, 5, 12 |
| Stats: Power | 2, 5, 12 |
| Stats: Will | 2, 5, 12 |
| Stats: Intelligence | 2, 5, 12 |
| Stats: Speed | 2, 5, 12 |
| Mass | 5, 13, 36 |
| Size | 4, 11, 30 |
| Rune | Base Cost |
| Directions, Numbers | 0 |
| Negate | 0 |
| Overburn | 2 |
| Linking, SPAG | 0 |
