Rune of Concussion (3.5e Rune)
From D&D Wiki
|Casting time:||One Round|
|Target:||5ft/10ft Blast, or 15ft Cone|
|Saving Throw:||Reflex Half|
- Prerequisite: 11 WIS, 4 Ranks in Knowledge (Arcana)
Rune of Concussion creates a small runic symbol that can be triggered upon touch to cause a small localized explosion dealing 1d4 per level (maximum 6d4) of Force damage. The rune can be set to trigger on contact or with a command word, but cannot be switched between the two options after creation. In addition the rune can be set for a 5ft area, 10ft area or a 15ft cone.