Avoid its attacks. Remember, he uses fire based attacks. If you get burnt, used the Gale Storm Brush. When he starts to stand up and burst into flames, start to attack him using your Devout Beads. He will reveal himself as a flaming skeleton. Use the Gale Storm Brush to put the fire out. He will be just a normal skeleton. When in this state, attack him using your Devout Beads. Continue doing this to defeat Crimson Helm.
