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You draw an Arrow to your Bow and let it fly towards the gap between the obsidian pillars. There is a loud Crack! and a brilliant flash of blue-white light illuminates the hall when your shaft hits and discharges the magical force field.
This explosion of violent energy is followed by an abrupt and total silence. After a few moments, you detect a faint humming sound and your Kai Sixth Sense warns you that the force field is recharging.
