Talk:Court of Sagittarius - Hertz/@comment-178.121.235.153-20150929183930/@comment-3083005-20150929195303

Hertz's active skill is to launch a fire attack after a single attack, this fire attack can damage the the boss.

So in the first round stall till the active skills are ready (do full attacks), then for the boss you can activate Hertz and its fire attack will damage the boss.