Sacred Sites Under Threat

The event "Sacred Sites Under Threat" came up in a recent game and we couldn't figure out what is supposed to happen here. I'll copy the relevant part of the text. There's an option we can choose:

I guess I'm not sure how to apply the cost here, maybe I'm just not reading the card properly or something? Maybe someone here can explain it using little words for me? We ended up skipping this event and just drawing a new one because we couldn't figure it out. Thanks.

Yeah the wording on that one threw us off as well. Our interpretation was:

In each relevant land:

Either you pay 3 energy , and the spirits there collectively do 2 damage to the invaders.

Or you pay no energy but destroy 1 presence from each spirit in the land.

Dandolo has the correct interpretation. Note that "you" is interpreted communally: the spirits as a whole pay that Energy cost in the usual way for choice events (including the aid by Fire).

It's worded the way it is because the costs are pooled. Eg, if you do damage in 2 lands, it costs 6 Energy; you can pay for that by Forgetting one card with Fire and discarding another. If the Energy costs were separate you wouldn't be able to do that, since you don't get change for overpaying for Events.

I updated the relevant FAQ, I hope that clarifies things.

OK this makes a lot more sense to me. I guess I understand why it was worded that way too, thanks for the clarification :-)