and the light that engulfed them spread into the thorns , and they returned to the waking world and the agony of the thorns to see a strange sight : a wave was passing through all the branches , and as it passed the tendrils grew rosebuds , and the sharp points shrank , and the tendrils that held the lovers uncoiled , and rosa and calibur embraced before the whole company that were now gathered about them , while all the roses began to bloom .