Engrave your weapon with a rune that increases your movement speed by 5%. Additionally, when you kill an enemy that yields experience or honor you heal for 5% of your maximum health and gain 10% Haste and movement speed.
Modifying your rune requires a Runeforge in Ebon Hold.
The passive movement speed bonus and the bonus from the on-kill buff stack, for a total of 15% increased movement speed while the buff is active.
The movement speed and haste bonuses will not double up when dual wielding two weapons with this rune. Aside from causing the heal to trigger twice, the second Rune of Unending Thirst will be ineffective.
During Shadowlands development, this rune passively increased movement speed by 10% while dead, instead of 5% while alive.