With Random Rock, you can quickly make rocks of various shapes with one click:

You can choose how to place the created  rock, such as along the axis or on a certain surface :

Once created, you can change the parameters to adjust the size, shape, etc. as needed:

You can click the Delete button to delete the generated object, and click the Done button to form the final mesh object.

Please feel free to contact me if you have any questions or need any further information.