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Relentless wounding
warlord attack 1

Target: one creature

Attack: Strength vs. AC

Hit: "3[W] + Strength modifier damage. Until the end of the encounter, your allies gain a power bonus to damage rolls against the target equal to your Intelligence or Wisdom modifier."[MP2:85]

Relentless wounding is a daily power available to warlords at 1st level.

Relentless wounding is a reliable power, so its daily use is not expended when it doesn't hit.

It is a good choice as it gives your allies a stat boost to damage, but is recommended to be saved for a solo fight.[Charop Warlord]