The first test was a test of strength. Killing 100 would allow one to pass, killing 150 would be good, killing 180 would be excellent, killing 300 would be perfect!
"The second test was a test of one's combat skills battle awareness. It was not enough to learn powerful techniques, one should also know how to use them properly in the battle. It was no use of powerful martial skills when you couldn't bring out their potential.
The third test was a test of one's temperament. As a cultivator, one must have an indomitable spirit, whiteout a strong heart, one would definitely not be able to pass the second test.
The fourth trial was a test of talent. Disciples with poor talent naturally received different resources and treatment.