Board Thread:Questions and Answers/@comment-108.238.62.34-20140303020024/@comment-24686081-20140709073210

No, it is permenent, and once you get it for the 1st time, you don't have to get it again. It comes in effect immediately, and will last on forever.

You can get the dark temple idol froma treasure chest, but the consecreted grounds is required for the temple complex, which will then make it possible for you to do the temple of the monkey god upgrade for your super monkeys.