I don't see many people following the mentality that "Legendaries should inspire builds". Here are some I've thought of.
I know right?
Everyone is listing their Christmas wishes like:
An ammy that gives:
300-400 base stat
Haha. People wont change their build if they had this ammy, they'd just get stronger.
Your examples were good. I also like Travis Day's own example of casting multiple hydras in screen.