The file appears to be a version of the Runevolution addon for World of Warcraft, specifically designed for the Death Knight class.
The most useful features found in version 1.6 and its recent updates include: File: Rune.Knights.v1.6.zip ...
: You can enable optional dark outlines for runes to make them easier to see during hectic combat. The file appears to be a version of
: You can use the /runev hidebliz command to hide the default built-in Blizzard rune frame, allowing for a cleaner custom interface. : The addon provides an optional display for
: The addon provides an optional display for diseases on your target, such as Frost Fever and Blood Plague , as well as tracking Unholy Blight on the player.
: To declutter your screen when not in a fight, you can set the runes to automatically hide when you are out of combat.