Golem

I destoyed the Golem with Purified water it's health shows 0
yet it is not disappearing

http://prntscr.com/cvyqpz

and I am unable to complete the Quest The Fire Brigade

http://prntscr.com/cvz97i

I was also confused, but I like this interface, even if it is different than what we're used to. This way you can't accidentally destroy it. Click the golem and then the right button to destroy it.

Thanks, it did work. I thought that button is to close the tab, so I did not even mess with it :)