If you fall into the moat without fly the eels do not attack, but if you fly down they will.

Golden servants leave no corpses as one would expect from noncorporeal undead, but they can be backraked. At least I believe so, you do not recieve the echo of "They wouldn't miss their entrails, if they had any."

The mob that asks about everlasting life continues asking if you say no and then walk back in.