With a nod. "Of course. That's clever of you. No, I had enough, so please stand back."

Once Bracken is away at a good distance, Jade also stood back at a distance to get some space. A soft, glowing blue light appeared around him, a circle of glyph with strange symbols appeared, and a geyser of water appeared from the circle to erode the earth and it's soil away.

The trap door fell down with a slam! Thereby, closing the door shut! But protecting the well, as the result to protect people from misusing it.