Inaccurate?

Construct Essence, Mass Lesser

(Faiths of Eberron, p. 150)

Transmutation
Level: Artificer 6, Sorcerer 6, Wizard 6, Warforged 7,
Components: V, S,
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One living construct/level, no two of which are more than 30 ft. apart
Duration: 1 minute/level
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)

You spread your arms, and about you, your warforged comrades become more durable and unyielding.

As lesser construct essence, except as noted above.