Under the cover of night.
Amidst the mountains and forests.
Strange, inexplicable howls echoed, yet it was not a sound that ordinary people could hear. It's like human ears can hear sounds in the range of 20 Hz to 20,000 Hz; beyond this range, the human ear can't perceive.
However——
There was also the breath of Spiritual Power sweeping through, the glow of spells bursting forth. These forms of Energy operate equally in the material world, naturally tearing apart the tranquility of the nighttime forest... Countless bizarre Spirit Bodies were fiercely struck, then turned into dust.
"They're all type Ds, with a few type C individuals occasionally appearing..."
"But it's still manageable..."
"Always pay attention to changes in Spiritual Pressure, don't get distracted or careless..."
