Weapons of Power - Season 1 Episode 19

When all are happy to see SUN die, TIP finds that KIU's arm is bleeding. He goes to find the herb. SUN has not died. They have only been fooled by SUN's clone. KIU and KWAI are killed while PUN and FUNG are caught. PUI is safe as he has been placed in the basement by KIU. TIP returns and is in deep grief to learn what has happened. TIP does not want to leave PUI alone, thus he takes PUI with him to challenge SUN with a duel. SUN defeats TIP and TIP faints. Luckily PUI takes care of TIP. FUNG and PUN are forced to take SUN's drugs and they are locked up in the cell. There they meet NG who tells them that SUN can only be killed with weapons made of dark metal.