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Is it not better than killing them simply for the sport of it? Though on the subject of tea, if you like, though you'd be the only one partaking. I can't eat or drink the food of mortals any longer.
I would love to hear what you imagined a vampire would be like.
Older than even me though I expect it had something to do with the 'ice age' and the receding of the frost. That much melt would certainly cause flooding.
I would wonder where she learned such spells being from the 19th century and how to pronounce them...
If you do, I will certainly make it up to you, somehow.