Heaven's Will Balancing System

Found a suitable body named Bai Xiao. Reincarnating into the World of Elementalists.
“Mission: Overpopulation of carnivorous fish in the lagoon.
Please kill 666 carnivorous fish in order to prevent the destruction of the lagoon’s ecosystem.
Reward: 20 Balance Points.”
“Mission: Forest fire.
Extinguish the fire.
Reward: 200 Balance Points.”