Old-fashioned: reference to his immortality, his base color of grullo, or his chivalrous nature.
Withered away: Absent from the site for a while
Burned in a chimney fire: Burned by the sun god
Six places: He has six distinctive markings: gold back, tree, three scars, and cobweb face
Five days from St. Valentine's: Valentine's day is the 14th. 14 - 5 = 9, Lace's age.