but turambar was filled with shame and anger , and perchance he had slain himself , so great was his madness , although thus might he not hope that ever his spirit would be freed from the dark glooms of mandos or stray into the pleasant paths of valinor ; '' but amidst his misery he bethought him of failivrin 's pallid face and he bowed his head , for the thought came into his heart to seek back through all the woods after her sad footsteps even be it to angamandi and the hills of iron .