Casts Death Grip. If Death Grip is on cooldown, Chains of Ice will be cast instead. This allows you to either pull, or stop an enemy from running away with the use of one button.
Death Knight builds listed for blood, frost, unholy, tanking, dps and hybrid builds listed. This is a Death Knight guide site that has a lot of information on how to play a Death Knight in World of Warcraft and what talents you should use.
This page will only contain basic partial builds per tree consisting of a PvE, PvP, and leveling build and any suggested full builds will be on a separate DK sample page. Look at the Paladin pages for a very good example.