Strange conclusions. It seems to me that it moves slowly so that, if desired, players can avoid the battle/quickly retreat. And that as the plot progresses, it will disappear (let's say, Victor decides to get rid of the annoying neighbor himself), and we won't care about it anyway, as a whole heap of other problems will fall on the characters. In the worst case, the golem may remain until the next skip, but I wouldn't even count on that. The final choice, of course, is yours – we are all hoping that Locken will reduce its maximum HP, and you, with Daniel's crossbow, will finish off the golem with air magic while the others distract it. And going against the golem with only one source of air damage would be reckless. But Revan is famous for drastically changing the environment for players. In computer games, there are sometimes such bonus bosses, as you described.
Небо – угроз не слышит
Небо – ведёт особый счёт
Небо – тебя найдёт