The chain is towards her which is a telltale sign of a mimic in dark souls

How many memes do we have here?
The Family Guy's death pose, Dark Souls's "YOU DIED", and the format looks like Loss.

PS: I think Frieren's staff is the real one, and not Megumin's one, so that's one less. And also I checked very carefully, and surprisingly, I didn't think any reference to Fear and Hunger, which genuinely surprises me. So maybe that's all.