Emberkeen boots degrade for 100,000 hits of combat before reverting to steadfast boots. On death in the wilderness, they will drop with the same amount of charges. Using a steadfast scale on a pair of Emberkeen boots will recharge it by 50%. Once equipped, the boots become permanently untradeable, even if they are recharged to 100%.
Creating emberkeen boots yields a profit of 909,420 coins.