The spiritual root is tested with a Heaven Spiritual Crystal. The cultivator places his hands on it and injects his power. The color and number of threads shown determines the type and grade the person has.
|Low Talent||Man (Red)||1|
|Above Average||Earth (Orange)||1|
|7||Hua Ling, Nie Li (alternative life)|
|Extremely Rare Genius||Heaven (Violet)||1||Wang Yang|
|Powerful and Rare Genius||4|
|Heaven Defying Genius||7||Xiao Yu, Long Yuyin, Gu Bei|
|8||Nie Li (Nie Li retracted his hand, so it isn't his maximum)|
|9||Xiao Ning'er, Ye Ziyun|
|(Black ?)||Unknown||Possibly Nie Li|
In the last life, Nie Li had a 7-grade Earth spiritual root.