She directed the dark mist toward the wall, and it penetrated. Not through the stone; the physical barrier was irrelevant but through the energy structure itself. Finding the gaps between the layers, the spaces where different types of power met and created infinitesimal weaknesses.
She could tell that there were many seals attached to these walls, and they were not done by the strongest beings. She could tell just by probing them. As she was working, pouring her energy continuously, she suddenly felt it, a mysterious energy was poking from inside it.
A wide grin appeared on her face as she kept breaking the seals.
The being inside was fighting too, trying to break the seal of the goddesses as she had done from the outside.
