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You retrieve an item from your Backpack and hurl it at the gap between the obsidian pillars. There is a loud Crack! and a brilliant flash of blue-white light illuminates the hall when your item hits and discharges the magical force field. (Erase from your Action Chart one Backpack Item of your choice.)
The explosion of violent energy is followed by an abrupt and total silence. After a few moments, you detect a faint humming sound emanating from the pillars and your Kai Sixth Sense warns you that the force field is recharging.
