At the start of the game of Trench Crusade, the players must agree on what type of terrain each terrain piece represents. There are four types of terrain in Trench Crusade: Open, Difficult, Dangerous, and Impassable. Terrain can be both Difficult and Dangerous. The players will also need to agree on the edge or boundary of each Difficult, Dangerous, or Impassable terrain piece so that they will be easily able to tell if a model has moved onto it, and decide which surfaces on a terrain piece can be climbed or jumped from.
Open: Open terrain includes any area where there is nothing to impede a model, and is the most common terrain in Trench Crusade. Models can be moved freely across Open terrain.
Difficult: Difficult terrain includes rock beds, swamps, barbed wire and so on. Every 1" a model is moved across Difficult terrain counts as 2".
Dangerous: Dangerous terrain includes barbed wire, minefields, raging fires, areas covered in poisonous gas, and so on. If you Activate a model that is in Dangerous terrain, or if you move a model into Dangerous terrain during a move, you must take a Risky Success Roll for the model. If the roll is a Success, you can carry on with the model’s move, and you do not have to take any more Risky Success Rolls for the model if it moves into any more Dangerous terrain as part of that move. If the roll is a Failure, you must make an Injury Roll for the model and its Activation ends.
Impassable: Impassable terrain includes cliffs, large monuments on which there is nowhere for a model to stand, pools of magma, and so on. Models cannot be moved onto or across Impassable terrain.
Cover: A model is in cover from another model if it is in contact with a terrain piece that is at least ½" high and at least as wide as its base, and the terrain piece lies between it and the other model in such a way that it partially blocks the Line of Sight between the two models
Moving Onto Terrain
A model can be moved onto a terrain piece as long as it is not Impassable terrain and the model finishes its move on a surface upon which it is possible to fit at least half of the model’s base. Having determined that a model can “legally” move to a location, you can with your opponent’s permission place it in a safe location nearby so that there is no risk of it falling over and being damaged (it will still count as being at the location for all other purposes).
Flying
Some models are noted as being Flying models on their Profile. Flying models treat Difficult and Dangerous terrain as Open terrain. You do not have to take a Risky Success Roll to see if a Flying model can Climb sheer surfaces or Jump over a gap, or make an Injury Roll if the model Falls.
