After another half an hour, he realised that none of the conventional bodyweight exercises challenged him in any way. Which meant that his body had gotten very strong, but it would be extremely difficult to push his body further. Being faster and stronger than his opponents meant that his skill in swordplay would stagnate or even regress. After centuries as someone who had prided himself on being at the pinnacle, that was unacceptable. He grabbed a pair of vambraces made out of boiled leather and carefully etched a runic cluster on both of them with a knife. He then cut his thumb deeply and carefully smeared both clusters with his blood while pushing his magic inside as well.