"Open in the name of the past and present lords of Waterdeep"
The warrior watched as the flowing veins of magic in the gate dimmed and faded in reaction to his words. A narrow ripple of yellow light rolled out swiftly from the center of the gate like a wavelet from a stone dropped into a pond. The center of the expanding circle was purest black. In a moment, the entire gate was darker than a bottomless pit, framed by two gigantic ivory tusks that glowed with a pale light.
The old warrior turned to look once at his fellows, four men and a woman who stared at the open gate in awe. He shrugged, then unslung his shield from his back and ran his left arm through the straps. Hefting his massive warhammer in his right hand, he studied the weapon silently, turned to the gate again, and stepped forward. He inhaled and instinctively held his breath, walking into the blackness in the center of the gate. Like that, he was gone.
His disappearance was so sudden that the youngest of the group, hardly more than a boy, gasped aloud. It seemed as if the gate had swallowed the warrior in silver armor alive. A few moments later, another warrior, a young man in armor made of golden scales, stepped forward. He held his own warhammer forward, ready to punch out at any foe or obstacle. Then he, too, was gone.
The four who were left glanced uneasily at each other. By unspoken agreement, the knight with the bright two-handed sword went next, followed by the gray-haired man in leathers, carrying his fighting staff out before him. When the older man had vanished, only the woman in robes and the youth remained. They talked quietly, then the young man pulled a knife from his boot, steeled himself, and went through the gate, too.
The woman watched him go. She sighed, then lifted her chin and spoke.
"Close in the name of the past and present lords of Waterdeep"
A circular rainbow of light bloomed from the center of the blackness in the gate. In moments, the gate was as it had been only minutes before, veins of visible magic flowing across its surface. The woman swiftly left the area, descending the flight of stone steps that led away from the gate, sitting atop a small pyramid inside a huge, battle-stained room far underground.
At the only door leading out of the great chamber, the robed woman turned. Raising her arms, fingers spread, she took a deep breath and called out the words to the most powerful spell she knew. Her voice grew louder, and the ends of her long hair rose and separated, charging with electricity. At the crescendo of her spell, she shouted a single word and thrust her hands forward, pointing both her index fingers at the gate.
She forgot to blink. The lightning bolt was stamped on her retinas for an hour afterward, and she was half-deaf from the thunderclap as the crooked bolt, bright as the sun, sprang from her fingers to the gate-and blew it into a million pieces.