Charlie felt the ground shake then lower. At first slightly, then faster and faster the earth crumbled. The edge was too far away so all he could do was manage to break his fall somehow.
Well there was one more thing he could do. He threw the last two spikes, not at his, but the edge of the pit she was standing on. The earth crumbled under her feet and he took her down with him. Cackling madly, for now.