Are devils worth 7 blood each?

[Soapyfrog]

Graeme Dice said:
, because I'm going to have 50 mages researching in my capital underneaeh several domes by the time I have 100 clams anyways.

Yes but: they take up a slot you could otherwise be using for a research item, or something else.

Also I think USING a clam or fetish to generate a pearl should be an action: i.e. you cant research while you are generating them. That would make it an interesting tradeoff!!!