[That earns Loki a smile. He likes that, being referred to as a sphinx.]

I can't say with certainty that it is. In recent months, before being brought here, I had attempted to make that twisting path something more homely.

[Riddler licks his teeth, thinking.]

I almost don't know where to begin myself...

[Pause, pause.]

Death is almost always our sine qua non, so who, or what killed you, and why?