[@Lunarlors34] What if Zin needs to use the bathroom while inside the magically locked box ? Or what if Zin digs her way out of the hole with her horns or hands ? 

Zin has a voluptuous but light but muscular body, so going off that she is not stocky and short as many others, she is at the height of 6'2 or 6'3 not including horns.