Tian Huang spotted a mistake in Tang Yin's Array Formation. Normally, he should have turned around and declared an instant failure and sent Tang Yin to his death.
However, he was having an internal conflict within himself. 'Should I kill him?'. The reason why this internal conflict even existed in the first place within Tian Huang was because Tang Yin was the best candidate to obtain his inheritance which had appeared in many millennia. He was unwilling to discard him so easily and over a small mistake like this.
'Comprehension is important in the path of cultivation. However, that kid only made a small mistake. He could have fixed the mistake easily and he was going to, but he ran out of time. So technically he should have passed the trial. Besides, given his wit and sagacity, his comprehensive talent is better than average.' Tian Huang debated the pros and cons of killing Tang Yin. He also contemplated the small mistake that Tang Yin had made.
