Incorporeal Enhancement

Libris Mortis: The Book of Undead (LM)Updated Supplementals (3.5)

Incorporeal Enhancement is a D&D 3.5 spell (Necromancy) from LM. On class lists for Sorcerer (Level 3), Wizard (Level 3), Abjurer Variant (Level 3), and others. Range or area: Close (25 ft. + 5 ft./2 levels); Saving throw: None; Duration: 1 day; Casting time: 1 full round.

School
Necromancy
Casting Time
1 full round
Components
V, S, M
Range
Close (25 ft. + 5 ft./2 levels)
Target
One incorporeal undead/caster level
Duration
1 day
Saving Throw
None
Spell Resistance
No

The undead affected by this spell gain a +1 deflection bonus to Armor Class, +1d8 bonus hit points, a +1 enhancement bonus on attack rolls, and a +2 bonus to turn resistance.
Each of these enhancements doubles for every five caster levels, so that a 20th-level caster grants undead +4 to AC, +4d8 bonus hit points, +4 on attack rolls and +8 to turn resistance.