Eric leans over and manifests yet another power, pulling even more from his rapidly diminishing reservoir. He unleashes a powerful Psionic Blast, aimed at the closest significant group. This particular manifestation is augmented, as he heads on a rapid path toward complete psionic exhaustion.

Spoiler: Mechanics
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Psionic Blast is a 30ft cone. Given that the ceiling isn't that high, it should reach some but it won't spread out to its full width.

Augmented to 9pp, so it's DC 23 Will or be Stunned for 3 rounds. Power Resistance also applies if anyone has it.

Now on 46/128pp. Those Major Ectoplasmic Creations were very costly.