User blog comment:Lord Loss/Monster Appreciation Week: Duramboros/@comment-166.137.156.24-20130519235622/@comment-5043481-20130520150648

They're all over the place. LS from the wyvern blade, hammer from the bone bludgeon (not ludroth path - that is an alternative)

Switch axe upgrades from the heavy divider path, the ones with exaust phials.