NOTE: This review is NOT the D&D 5E Unearthed Arcana Rune Knight Fighter. This is a DMs Guild Subclass from the book Xanathar’s Lost Notes to Everything Else.

If you want to see the 2019 Unearthed Arcana Rune Knight Fighter CLICK HERE

Otherwise… let’s continue!

In 2017, the DMs Guild Adepts produced Xanathar’s Guide to Everything Else. Here is a character build using that information on this Fighter subclass created by Rudy Rutenberg.



  1. Activating a rune requires concentration, which lasts a number of rounds equal to your proficiency bonus + your Constitution modifier (minimum of 3).

    So does this mean that if you are hit you have to make a saving throw to continue using your runes or that your rune last only a total number of rounds because of your concentration.

    1. Hey there Lamonte! Thank you very much for leaving a comment on this article. I appreciate it! Sorry, I hadn’t responded yet, but I wanted to think about your question for a while before replying.

      Here’s how I would “interpret” the rules for the Runeguard.
      – The Runeguard’s Runes, once activated, remain active for a number of rounds equal to their Proficiency Bonus + CON modifier.
      – Like a spellcaster concentrating on a spell, if the Runeguard takes damage, they would have to roll a CON SAVE to see if they keep their concentration. If failed, the active rune ends prematurely.

      Honestly, as a DM… I would probably houserule that we ignore Concentration checks for Runeguard Fighters with active runes… they are going to be in combat and will have a greater risk of being hit as opposed to a spell caster concentrating on their spell. Seems like that would balance it out a bit.

      Hope this helps answer your question!

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