From publisher blurb:
Introduced in Against the Dark Yogi: Campaign Options, zone consequences are effects that can be attached to regions of a battlefield to produce more dynamic and exciting battles. Various mechanics within the game can cause consequences, including special traits, critical successes and failures - or any situation where the GM thinks that consequence will heighten the action of the game!
Against the Dark Yogi: Zone Consequence Cards are a quick and easy way to keep track of zone consequences in your game. Simply set them on the table in the area drawn for the zone, and all of the effects are there and easy to reference! Each of the 21 zone consequences introduced in Against the Dark Yogi: Campaign Options are featured.