- December 29, 2022
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Hearthstone Death Knight Runes explained | Blood, Frost & Unholy

You may have noticed the colored symbols around the mana costs of some Death Knight cards. These are called Runes. There are three Runes, one for each Death Knight spec: red is Blood, blue is Frost, and green is Unholy. These Runes dictate which Death Knight cards can be added to your deck during deckbuilding.
When building your deck, you select a combination of three Runes, which determines which Death Knight cards you can add to your deck. You can choose to fully devote to one Rune (such as triple Blood) or you can go primarily into one Rune, while dipping into another (such as double Unholy, single Frost). This Rune system allows for incredibly varied and powerful Death Knight cards, while making sure any particular deck isn’t just the best at everything. Instead, each of the Runes specializes in certain types of cards and effects.
Blood Rune
The Blood Rune is the tankiest Rune. Blood cards tend to have board control effects, large minions, and cards that manipulate life totals.
» Blood Death Knight Decks
- Blood Death Knight #100 Legend – Zhotan_ September 28, 2023
- Renathal Blood Death Knight #120 Legend (Score: 13-7) September 15, 2023
- Renathal Blood Death Knight #209 Legend (Score: 10-1) September 9, 2023
- Renathal Blood Death Knight #124 Legend (Score: 10-3) September 6, 2023
- Renathal Blood Death Knight #272 Legend (Score: 23-13) August 28, 2023
Frost Rune
The Frost Rune has powerful burst potential. Frost cards tend to have lots of spell synergies, with direct damage, card draw, mana manipulation, and Freeze effects.
» Frost Death Knight Decks
- Frost Death Knight #209 Legend (Score: 11-2) September 19, 2023
- Frost Death Knight #45 Legend – TheWarshack (Score: 31-22) September 2, 2023
- Frost Death Knight #462 Legend (Score: 12-2) July 26, 2023
- Frost Death Knight #83 Legend (Score: 6-0) July 10, 2023
- Frost Death Knight #146 Legend – bebop4th July 4, 2023
Unholy Rune
The Unholy Rune has the greatest command of the Undead armies. Unholy cards tend to be very good at summoning Undead minions, summoning swarms of minions, and generating and spending Corpses.
» Unholy Death Knight Decks
- Unholy Death Knight #399 Legend – poryshaco (Score: 85-49) September 12, 2023
- Unholy Death Knight #253 Legend – henriqlustosa (Score: 28-11) September 4, 2023
- Unholy Death Knight #35 Legend – WuLingHS (Score: 16-9) August 19, 2023
- Unholy Death Knight #250 Legend – manofcheese575 (Score: 12-4) August 18, 2023
- Unholy Death Knight #295 Legend (Score: 5-1) July 29, 2023
Combination
In total, there are 10 possible Rune combinations:
- 1 Blood, 1 Frost, 1 Unholy
- 2 Blood, 1 Frost
- 2 Blood, 1 Unholy
- 2 Frost, 1 Blood
- 2 Frost, 1 Unholy
- 2 Unholy, 1 Frost
- 2 Unholy, 1 Blood
- 3 Blood
- 3 Frost
- 3 Unholy
Source: PlayHearthstone Blog
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