Mass 2

Someone or something was just beyond the door.
Leaping, D was struck once again by a massive invisible fist of energy.
He fell back to earth. He shook his stinging head lightly and put his left
hand to the ground to support his body. This concentration of energy
surpassed imagination.

There were many supernatural powers that could create something from
nothing. The spirit beasts spawned by conjuration were one example.
However, the energy beings were subject to the same laws of nature as
everything else, so naturally there were limits to their power. It would have
been a different matter if they were nothing but raw energy, but these
energy forms also had intelligence.

In light of that, the energy mass that hindered D’s actions must have
been created by a being of unearthly power. D had only survived the first hit
because of his own powers, and because some of the energy from shattering
the sealed dimension remained with him. But he might not be able to stand
another hit.

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