I want to explain what Chastity does, but first I have to clear up some confusion about Storms.
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Previously (in the old code) Storms would decrease daily population growth by 1.5% while the target province was still under the spell (which doesn't make a whole lot of sense - people have less babies when there are storms?).
When we rewrote the game we changed the effect of Storms. For the last couple of ages Storms have reduced the target province's population by 1.5% on each tick. Which although a bug, seems to make more sense (some people die in the storms.).
We're going to keep this new functionality for Storms.
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The new spell Chastity reduces that target province's growth to 0 for the duration of the spell. It's a short lived timed spell that currently can be performed under normal relations.
Its difficultiy, cost, duration and/or required relations may require tweaking during the age, however I hope to avoid this.
