Shakugan no Shana Episode 16: Slaying Hand of Shakugan
Episode 16 of 24 of Shakugan no Shana, aired January 24, 2006, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Now that she's become a Flame Haze, Shana must defeat Tenmoku Ikko and take his sword - Nietono no Shana.