The spiritual root resembled a mana core, and it was an acquired organ that one must have in order to handle spiritual energy. 11

There were many different types of spiritual roots, unlike mana cores. The single spiritual root, which specialized in one specific attribute, was the most valuable. The double spiritual root, which could sustain two attributes, was the second most valuable, and so on. 2

The five elements spiritual root, which could sustain five attributes, was the least valuable. As the number of attributes of the spiritual root increased, the compatibility with each attribute decreased. If a person with a spiritual root specializing in wind could use 100% of their power when using a wind technique, then a person with a five elements spiritual root could only use 50% of their power when using the same technique. 9

Grid alleviated this huge weakness by mastering the Profound Martial Technique. Instead of completely neutralizing the attributes of the five spiritual roots, Profound Martial Technique amplified the power and quantity of the spiritual energy itself. 13

It was possible to increase the power of elemental techniques from the original 50% to 65%. Naturally, the inherently elementless techniques could be used with 100% power. 3

However, elementless techniques were rare. Even though he learned the Profound Martial Technique, he was inferior to those...8