Ulrica trailed after Aurelius, who aimed for the closest stream. “Will this suffice?” he asked.

“Aye, for its fresh.”

“Sea water wouldn’t work?”

“Nay.” Dipping into the pouch at her waist, she palmed her precious bit of blue. “All the tears in the world couldn’t convince this guardian to move. Only sweet waters will do.”

When she knelt on the bank, he crowded close. “How does it work? Show me!”

But she kept her treasure hidden. “You will keep my secrets.”

Aurelius rolled his eye...