Channel the Mishtai, Greater

(Magic of Incarnum)

Necromancy [Incarnum]
Level: Sorcerer 6, Wizard 6,
Range: Touch
Duration: 1 hour

As channel the mishtai, except as noted above and as follows.
Instead of rolling randomly, you can choose which mishtai spirit to channel with this spell.
If the subject is a rilkan or skarn, you can choose any of the ten spirits; otherwise, you can choose only one of the first six listed.
You cannot attempt to channel the same spirit more than once per week.
Essentia: Every point of essentia invested in this spell extends the duration by 1 hour.