User blog comment:AYET/Post-TS SHP member vs old pre-TS foe (Part 1)/@comment-3425840-20120716170609/@comment-4493594-20120717085916

The Shadow grows stronger with its owner. So its strength will always be:
 * owner's current strength + strength of the zombie body

Brook never had a chance against his own zombie to begin with. That was the point.