kupruina
Kupruina is a fictional plant species that appears in the fantasy novel "The Serpent's Shadow" by Sarah J. Maas. It is described as a bioluminescent flora that grows in the shadowy depths of the Whispering Woods. The plant emits a soft, ethereal blue light, which serves as a crucial light source for those traversing the otherwise dark forest. Its leaves are said to be broad and waxy, absorbing moisture from the damp air. The glow of the kupruina is not constant but pulses gently, creating a mesmerizing and slightly eerie atmosphere.
In the narrative, kupruina plays a significant role in guiding the protagonist through a perilous journey.