Kaaya, an oracle specializing in defensive and healing magic, channels her power through a wand requiring inserted runes and recited chants. Her spells summon protective shields, accelerate healing, amplify allies’ physical prowess, and wield freezing or insulating effects, though her offensive arsenal is limited to a sleep-inducing charm and a spell capable of dismantling barriers. A descendant of Ki—Gilgamesh’s ally in the battle against Druaga—she inherits a legacy bound to Uruk’s throne, later revealed as Gilgamesh’s great-granddaughter and rightful heir under the name Ishara. This lineage emerges fully in the second season when she ascends to rule following the deaths of Gilgamesh and Neeba.

Her path crosses with Jil after she heals his injuries from a clash with climbers, inviting him into her group alongside Ahmey. Compelled by destiny and Ishtar’s will, she orchestrates a pivotal betrayal, abandoning her companions to join Neeba in scaling the tower—a choice framed as sacrificing her bonds to spare them greater harm. The decision fractures her relationship with Jil, though they eventually reconcile, with Kaaya expressing remorse and reaffirming their friendship.

Concealing her true identity and royal blood until her coronation, she navigates tensions between loyalty to her companions and duty to her heritage. Though reserved and occasionally distant, she forms a deep connection with Jil, culminating in subtle romantic undertones during the narrative’s conclusion. Her arc pivots on the conflict between her compassionate instincts as a healer and the austere demands of leadership, exploring themes of legacy, sacrifice, and the interplay between personal choice and inherited fate.