Spelljammer
Wall of Ice
College:Air Magics
Spell Type:Special Knowledge Spell
Special Classification:None
Spell Rank Limit:22
Name:Wall of Ice
Multiple:155
Range:15 feet per rank
Duration:10 minutes per rank
Base Chance:15
Components:Verbal, Somatic
Saving Throw:None
The mage may create a wall 2 feet thick, 10 feet tall and 20 feet long or a ring 2 feet thick, 10 feet tall with a 5 foot radius or a pillar 15 feet high and 4 feet thick made of ice. He may increase any dimension by 1 foot per rank. This spell may not be cast on top of a creature.

Note that a fireball or other area effect heat spell will destroy a Wall of Ice.

The Wall of Ice has a protection dependent on rank, as indicated below.

Rank
PROT
1-4
6
5-9
7
10-14
8
15-19
9
20
10
21
11
22
12

This assumes that the wall is being assailed with appropriate tools (pick or axe). Add 5 to the PROT vs. slashing weapons such as swords, and add 8 vs puncture weapons.

The wall has a number of hit points equal to the caster's (MA x 2), plus an additional 5 per rank.
Effect Category:Barrier
Effect:Moderate wall
Base Cost:100
Modifiers:
Area of Effect:1 target0
Cast Chance:15-0.25
Casting Time:Normal spell0
Components:See Components Above-0.5
Duration:10 minutes per rank1
Immunity:No Immunity0
List:List Appropriate0
Range:15 feet per rank0.5
Reliability:Mostly reliable0
Resistance:No save0
Visibility:No visibility modifier0
Active Cost
(cost after advantages):
250
Recommended Cost
(cost after disadvantages):
142