Where do you cross the line with "insperation"

[FieryLou]

Just as the title says. How far do you think an author can go before one could accuse him of plagarism?

 

[Rhaps]

If they follow the Hero's Journey formula, they'll inevitably be called a plagarist by some dumbass.

 

[Prince_Azmiran_Myrian]

*Inspiration

Official Definitions aside

For plagiarism, if it seems like you didn't add any original ideas of your own.

 

[KB_Wala]

If you are open about your inspirations and try to put your own spin on the ideas, then I think you're in the clear.