Here is the prologue to my first Reckoners fanfic, about Claire and her cell of Reckoners faced against the tyrranical Prism!
If anybody has any comments, please tell me below.
I thought it meant that he could change his shardblade's shape because he had become a radiant. As far as we know, all radiants can do this (Shallan made Pattern shorter when she was cutting a handhold).