Forbidden Grip of the Ages is a secret Axe Pommel that increases all stats and adds a shockwave to the end of the R1 Combo. It can be found using a secret code. Once atop the Muspelheim Tower, with the Braziers lit, stand in the center of the circle and look Middle, Left, Middle, Right, Left, Middle, Floor, Right, Left, Middle. Middle is Tyr's Temple, Left is the Left Brazier, Right is the Right Brazier, Floor is well the floor.