When J.K. Rowling praises your troll-crushing technique on Twitter, you know you're doing something right.

On Tuesday, designer and writer Christian Fox shared the following reaction to the now-infamous Kendall Jenner Pepsi advert.

Tweet may have been deleted

The tweet was shared over a thousand times and -- unsurprisingly -- led to a few trolls coming out of the woodwork.

Luckily, Fox is clearly quite adept at handling trolls.

Very, very adept.

This was the end result.

Fox shared those screengrabs later in the day. At the time of writing, the tweet has been shared over 21,000 times.

Tweet may have been deleted

By Wednesday, it had reached the original troll-crusher herself -- and Rowling clearly approved.

Tweet may have been deleted

When you make it onto J.K. Rowling's pinned tweet, you've pretty much won at life.

View this post on Instagram

（作者：汽车电瓶）