User blog comment:Mckrongs/Monster Hunter Frontier Season Forward 4/@comment-1685631-20120905212553/@comment-969093-20120905231826

That for "HC Gou" armors used in conjunction with HC Gou Weapons. Ten Arashi 天嵐. It gives skyblue sharpness to weapons with blue sharpness but it's a ripoff. 1.5 > 1.6. -_- And the Tanarashi armors need HC carves for each level each part to max out.