Board Thread:4. General Discussion/@comment-124.83.16.225-20160127164816/@comment-121.54.54.53-20160210045222

And even Rou's phantasmal items still have some abilities locked. His upgraded silver arm seems to have most of it's abilities unlocked, but his scarlet spear is the opposite so it might still just be on the same level as the Holy King's Sacred Treasure (which is Phantasmal in name, but still closer to Legendary in strength). However, since it's his personal equipment (Living Ogre Raiment or something), Rou's equipment is likely way more powerful.

Rou didn't actually infuse the shark rope with any divine power. He just overloaded it with his magical power. Since he didn't recheck its status, it's probably still Legendary rank. I don't think it's a Sacred Treasure either.