У вашего броузера проблема в совместимости с HTML5
Not a mind-blowing trick, but pretty useful.
A golem will carry out some actions, such as normal attack, even if you lose the Guard Cylinder. Also, training is done (and thus relative CP is checked) when the golem attacks (not on the order), so you can change gear/slots to get lower CP if you want to swap out an Abysmal shield for the Guard (like I do here).