This is a up-to-date Frost DK Rotation for patch 5.4. If you have any questions or suggestions on the rotation, please let me know.
Note: This is just your basic rotation. For more advanced
Click Here For An Addon with Pre-Made 5.4 Rotations
Frost Fever/Blood Plague
Cast and keep up both.
When target hits 35% start using off cooldown.
Cast when your Rime ability procs .
Cast when you get a Killing Machine proc or you need to dump some Runic Power.
Cast when you have 1 Frost and Unholy rune or 2 Death runes. If your Killing Machine procs and you don’t have enough RP for Frost Strike, use it as well.
Horn of Winter
Cast, then recast when it’s about to expire or you need some Runic Power.
Use if you have extra Frost/Death runes and nothing else is up.
Use whenever you have the Frost/Death runes for it.
Death and Decay
Use off cooldown.
Use if your getting close to Runic Power limit.
If you’re still having trouble figuring out your Rotation, or need a more advanced one, then check out the addon I use called Edge. It will show you how to set-up your talents, what glyphs to use, and detailed rotations for leveling, pvp, and raiding.