Though withered and desiccated, the body was still strangely preserved. Long black hair draped the reclining figure. Her dark skin was stretched smooth. Even her eyelashes were intact. Fine cloth wrapped her body from toe to neck. A gold crown topped her head, clearly Egyptian in design from the decorations in lapis lazuli.

The only other exposed parts of her body were her hands. They were folded over her chest, clutching a stone jug carved with more hieroglyphs. The jar was sealed on top with a gold lid in the shape of a hawk's head.

"Look at her right hand," Rachel said.

Gray noted the missing index finger.

Wallace's attention fixed on the stone-and-gold jug. "The design looks like a canopic jar. Used to hold the embalmed organs of a king or queen."

Gray knew they had to look inside. The Doomsday key had always been connected to the body of the dark queen. He reached into the casket and slipped the heavy container from the queen's withered fingers.

"I wouldn't do that," Kowalski mumbled and backed up a step. "No way, no how. Thing's got to be cursed."

Or it's the cure, Gray thought.

With their skill in agriculture, the Egyptians must have discovered some type of fungal parasite that could wreak havoc and lay waste to a village. A form of biowarfare. But did they also possess the counteragent?

Gray cradled the jar, gripped the hawk's head, and tugged the lid off. He cringed inwardly, not knowing what to expect.

Curse or cure?

Wallace held a flashlight steady as Gray tipped it over.

From inside, a snow-white powder spilled out, so fine it poured like water. He remembered the story of Bernard and the Lactation Miracle, how the Black Madonna wept milk and cured him.

Gray knew what pooled in his palm. "It's the cure," he said, knowing it to be true. "This is the key."

He poured the powder back into the canopic jar and sealed it tight.

"You might want to see this," Seichan coughed out. She had moved to another of the caskets and opened it.

They joined her.

She pointed her light into the glass casket. A body lay wrapped in cloths, wearing a simple white robe with a cowl. His hands were also folded, clutching a small leather-bound book.

But it was the body's face on which Seichan focused her light. The man looked as if he could have died yesterday. His skin, while slightly sunken, was unblemished, his lips red, his eyes closed as if in slumber. His brown hair looked freshly combed and trimmed straight across his brow.

"He's not decayed at all," Seichan said.

Rachel placed a hand to her throat. "The bodies of saints are said to be incorruptible. They don't decay. This has to be Saint Malachy"-she glanced at the third coffin where a vague outline of another body could be seen-"or Saint Bernard."

Wallace had another thought on the miraculous nature of the body's incorruptibility. He stared over at the jar in Gray's arms, then back to the remains.

"Canopic jars didn't always hold embalmed organs." He nodded toward the jug. "Sometimes they just stored embalming compounds. Oils, unguents, powders."

Gray understood. "If the key was a curative, specifically against the fungal scourge, the powder must possess strong antifungal properties...possibly antibacterial, too." He stared at the face of the saint. "And the main sources of bodily decay are fungi and bacteria. Embalm a corpse with such a compound, seal the coffin tight, and it would appear incorruptible."

He also remembered the unusual health and longevity attributed to the monks of Bardsey Island. Such a powerful curative would have protected the monks against the usual pathogens that swept through the Middle Ages. No wonder the island had a reputation for healing.

Wallace's eyes widened. "So the key..."

"It must originally have been an embalming compound. Perhaps one brought from Egypt or discovered in their new land. Either way, its medicinal use must have quickly been recognized. Back in those times, such a cure must have seemed miraculous."

Wallace nodded. "And when paired with a deadly pathogen, it was a powerful combination. A bioweapon and its counteragent."

"And the knowledge passed from the Egyptians, to the Celts, to the early Church. Where it was eventually bottled up and hidden here."

"But that wasn't the only knowledge passed along that historical line." Wallace turned to face the Celtic cross. "For the longest time, archaeologists have debated how the Egyptians built the pyramids with such precision, such alignment. They would have needed a powerful surveying tool."