Death Knight

Major

• Glyph of the GhoulLevel 55Your ghoul benefits from your Strength and Stamina: it deals a large share of your damage.
• Glyph of Death and DecayLevel 55A large share of your damage, especially against several targets.
• Glyph of Icy TouchLevel 55Frost Fever deals more damage and benefits from all your disease bonuses.

Minor

• Glyph of Raise DeadLevel 55No reagent to carry to summon your ghoul anymore.
• Glyph of PestilenceLevel 55Pestilence reaches farther to spread your diseases to more targets.
• Glyph of Blood TapLevel 55Blood Tap no longer costs you health.

Other choices

• Glyph of Dark DeathLevel 55For single-target fights, with no other targets to hit.