Subconscious
To this point, Ryu was still practicing three Qi Realm techniques simultaneously. Among them, there was still [Six Realm Opening]. This technique allowed Ryu to form miniature diantians in his Qi Pulses and Vessels. This would ultimately allow him to store 12 different Qi types without interfering with one or the other.
However, after Ryu awakened to the truth of his Meridians, it became less and less possible to use this ability. Even when he stored Grave Qi within his Qi Pulses, he had to continuously pay attention to it to ensure that it wasn't catalyzed back into Chaos Qi.
This was the truth of the catalyzation into Chaos Qi. But… If Ryu was able to form Primordial Chaos Qi, though his battle prowess wouldn't increase fundamentally, situationally, he would definitely be able to produce a greater impact on any given battlefield.