Kartika has the ability to use any body of liquid as a two-way rift. He can create multiple rifts at once.
Kartika was the Underlord of Liquids working under the rule of the high party. When Malvorr betrayed the High Party, Kartika's body was scattered throughout rivers and lakes across the Earth with no energy to reform.
When a surge in cosmic energy emerged, Kartika was able to reform and be rebirthed as a destructive force at the Dujiangyan irrigation system. Kartika begins to pursue the zodiac-powered teenagers upon realising that humans have become stronger since his initial defeat across countries with relentless determination. His defeat comes through the coordinated efforts of the three water sign teenagers, with Wei trapping him in his own shadow and tearing his body in half, followed by Rayne encapsulating his remaining torso in a bubble that, when exploded with a snap of fingers, disintegrates Kartika completely. His arrogance in underestimating the combined strategic thinking of the teenagers proves to be his fatal flaw.
Kartika is an arrogant, power-hungry Jespan underlord who delights in chaos and destruction. He combines tactical intelligence with sadistic pleasure in harming others, demonstrated by his methodical attacks on public spaces. His condescending attitude toward the "constellation" teenagers reveals his superiority complex, though he grudgingly acknowledges their potential power when confronted.