I can't help but don't see a monster. What I see reminds me of the old stories mixed with Avalon, mother Nature, the old world fought by "modern" humans.
It feels to me (looking at the picture) Dieter is the intruder being where he shouldn't be, believing he rules everything from the way he is standing.
Fire fertiles the soil and the first flowers are beautiful.
Nightcafe showed something powerful.
A great Sunday