remove all staff
You remove Benediction the White mage staff of Power.
You pok your own vile black staff with bulbous frog sitting on top (unholy).
use create staff at benediction from staff
You are using 'create staff' at 'benediction from staff'.
You concentrate hard on the staff on your hand and and utter the magic words
of transformation. For a moment the staff resists but then succumbs to your
will.
The staff shivers and transforms.