The first part of the forging process occurred, as Rean mentioned. Calamara spent most of his time infusing his own Fire Element into the shield. Rean also offered a few of his thoughts to Calamara about the design, changing it to better adapt to Calamara's traits.
Of course, the only thing Calamara saw was the Fire Element he was gathering being taken away. Rean made sure that he couldn't see anything else regarding the forging process, just in case. Once that part was over, Rean brought Calamara outside the private workshop and continued the forging process.
Rean wasn't afraid of other people seeing him either, as the workstations were protected by formations that prevented Divine Sense and Soul Power Scanning. Not to mention that Sister Orb could at least check if any other kind of formation was being used there.