I have a Warlock in the party, and the party came across a message on a fallen enemy. It was written in draconic, and in code.
The Eyes of the Rune Keeper allows the Warlock to read the draconic, But does Eyes of the Rune Keeper allow the Warlock to decipher the code?
Maybe as a side question, if a note is written with a subtle subtext, much like in the way that Thieves Cant is spoken, does that also count for Eyes of the Rune Keeper?
Best Answer
No, the warlock can't understand specific codes or Thieves' Cant
The Eyes of the Rune Keeper states that (emphasis mine):
This by itself leaves some room for interpretation. Fortunately, we have more information. The Sage Advice Compendium has a question on this feature:
Jeremy Crawford also answered this specific question in this tweet (note that Jeremy Crawfords tweets are no longer official):
Taken together, this to me suggests that the warlock understands the literal meaning of what is written. Any subtle subtext or special symbols that are not related to a language would not be automatically understood.