Portal Stabilization

Underdark (Und)Forgotten Realms (3.5)
School
Transmutation
Casting Time
1 full round
Components
V, S, DF
Range
Close (25 ft. + 5 ft./2 levels)
Target
One portal
Duration
1 minute/level
Saving Throw
None
Spell Resistance
No

Related

You temporarily stabilize a malfunctioning portal,making it safer for use.
Any time the portal is activated during the duration of this spell (or immediately, if it is continuously active), add +30% to the required roll on Table 2-2: Portal Malfunction in the FORGOTTEN REALMS Campaign Setting.