I checked videos on killing Torglluun, but when I did it myself, Torglluun was not present at Maw (28,25), wasting my riftkey. I think it’s a bug.
If it’s not a bug but because of respawn timer, then I don’t agree with the design, since I don’t know whether it’s respawned or not, before I enter rift status and go there.
Please fix it. Thank you.