Game Of Thrones: 20 Best Internet Reactions To 'The Dance Of Dragons'
12. Never Upset Sexy Jesus
Whether Trant deserves to have his gizzards sliced open or not, Arya is playing pretty fast and loose with her duties to Jaqen and the House Of Black And White. She's supposed to be collecting a head and fulfilling an oath/transaction, but she's been distracted by her own need for vengeance (which is about as far from Jaqen's teaching as it could possibly get).
This could go one of two ways: either she'll find out the hard way why personal issues need to be pushed to the back of the mind, or Jaqen will throw her out of her apprenticeship and she'll go back to King's Landing to try and kill some more. Either way, it's a worse move than just doing as the man who is basically a God says.