Words of Cancelling (3.5e Feat)
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Words of Canceling [Wordcasting]
You can counter other people's spells with words more efficiently
Prerequisite: The Countering Words class feature
Benefit: The DC for the Concentration check forced by Countering Words is equal to the number of words expended plus the Wordmaster's Intelligence modifier.
Normal: The DC is half the number of words expanded plus Intelligence modifier.