Inaccurate?

Node Lock

(Underdark)

Abjuration [Earth]
Level: Sorcerer 2, Wizard 2,
Components: V, S,
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One earth node
Duration: Permanent
Saving Throw: None
Spell Resistance: No

A node lock spell cast upon an earth node magically "locks" it against others who might wish to use its power.
You can affect an earth node whose class is equal to one-half your caster level or less.
For any caster except you, the node lock adds +15 to each Spellcraft DC associated with the use of the node's standard powers.
A successful dispel magic breaks the node lock.
Special: You must have the Node Spellcasting feat to cast this spell.

Also appears in

  1. Champions of Ruin