stoneskin

Usage:          cast 'stoneskin' [char in room, npc, pc]]
Duration:       Level/5+3 hours
Waitstates:     2: PRI
Accumulative:   No
Violence:       Positive
Costs:          50 - 20 
Position:       Standing
AMS-State:      
Classes:        (L33)  PRI
Magic Sources:  n/a
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   This spell will lower your AC rating by 40, thus defending you better. It 
works similar to the ARMOR spell.