User blog comment:Xilinoc/Ch. 541 - THE BLADE AND ME 2/@comment-7924893-20130612200535/@comment-7924893-20130613124342

that's exactly what I mean, after-all the youngest you see the head-captain he still seems quite old and Yhwach seems to of only aged around 20-30 years at a rough estimate, but even then he still seems a bit old after-all, 'old man Zangetsu'