[ The hare leaps up as well, practically landing in James's lap before she sits next to him. Strange clambers up also. As he talks, his attention is one third focused on James, one third focused on maintaining the spell, one third focused on moving the earth where it needs to go. As such, he's a little distracted and not 100% paying attention. ]

It is sustained magic, [ Strange explains, as the hand makes a crunching, whirring sound as it moves across the earth. ] I talk with the earth, coax it into this form, and use my magic to help it stay in this shape. Unfortunately, it requires a lot of magic. You've got to be the one to check for fires.