[Xu Jin, eligible to challenge the second level of the God-Killing Battlefield, reward: two Taoist Merit points]
The reward is really a bit meager.
Is it doubling or just increasing by one each time?
If it's doubling, the reward isn't bad.
[Challenge]
The number of enemies in the second level doubled to two enemies at the First Layer Peak cultivation level of Refining Star, no suspense, instantaneous kill.
The reward for the third level increased from two Taoist Merit points to three, and the enemies also turned into three Refining Star First Layer enemies, no suspense, instantaneous kill.
Three Taoist Merit points credited.
In the fourth level, Xu Jin received four Taoist Merit points, in the fifth level he received a reward of five Taoist Merit points, but something changed in the sixth level.
The reward remained six Taoist Merit points, but the enemies changed.