Convergence of Power

The makeshift laboratory in Jasmine's chambers hummed with a peculiar energy as Shane worked feverishly, combining his mechanical expertise with the vampiric princess's arcane knowledge. Sweat beaded on his brow as he carefully etched intricate patterns into a small copper disc, following Jasmine's precise instructions.

"The blood sigil must form an unbroken circuit," she murmured, leaning over his shoulder. "Otherwise, the resonance will collapse when confronted with my sister's power."

Vincent paced nearby, his normally composed demeanor betraying rare signs of agitation. "Denise will sense any significant blood magic within the castle walls," he warned. "We have minutes at most before she realizes something is amiss."

Captain Liora stood by the door, her hand resting on the hilt of her ice-forged sword. "My guards are in position. They await only our signal to create the diversion."