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Knock
(Alteration)
Reversible
Level: 2
Range: 60 yards
Components: V
Duration: Special
Casting Time: 1 segment
Area of Effect: 10 sq. ft./level
Saving Throw: None
The Knock spell opens stuck, barred , locked, held or magically locked
doors. It opens secret doors, as well as locked or trick-opening boxes or chests.
It also loosens welds, shackles or chains. If used to open a mage locked door,
the spell does not remove the former spell, but simply suspends its functioning
for one turn . In all other cases, it permanently opens locks or welds - although
the former could be closed and locked again later. It does not raise
barred gates or similar impediments (such as a portcullis), nor does it affect
ropes, vines and the like.
Note that the effect is limited by the area; a 3rd level magic-user can cast a
Knock spell on a door of 30 square feet or less (for example, a standard 4-ft. x
7-ft. door). Each spell can undo up to two means of preventing egress through
a portal. Thus if a door is locked, barred and held, or triple locked, opening it
requires two Knock spells. In all cases, the location of the door or item must
be known.
The reverse spell, Lock, closes and locks a door or similar closure, provided
there is a physical mechanism. It does not create a weld, bur it locks physically
operated locking mechanisms, set bars and so on, up to two functions. It
cannot affect a portcullis.
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