For me the 5 of Swords is all about a conflict that leaves you reeling — shocked, hurt, betrayed. It usually points to someone putting their own interests first and stooping lower than you'd expect just to win. That looks like cutting words, selfish moves, arguments that escalate fast, and that backstabby feeling. It’s very much a play-for-keeps energy.
Feelings-wise it means betrayal, loss, disappointment, and sometimes blaming yourself — feeling like you were your own worst enemy or that you let someone untrustworthy in. The one hopeful thing is that it comes before the 6 of Swords, so healing can follow. Still, after a 5 of Swords people often get more cautious to avoid getting hurt again.
Reversed, and with kinder cards around it, it can show apologies and repair after a big betrayal. But mostly the 5 is a heads-up: watch your back, be careful who you trust, and notice what you or others might do just to win.