Shion lets him work on the lettering as he goes over to the spot that was probably best for the tree. The ground wasn't too hard but it still took a few moments for him to break through the top level of soil and begin digging a hole for the seeds to be sewn.

He looks back when Ignis speaks and returns to inspect the S.

"It looks good, I don't think it needs adjusting at all." Shell writing it seemed was an easier way to write without sight. If Shion had thought about it he might have figured that earlier, it was much more tactile, you could physically feel the letters.