So I've decided to by a 6x3 gaming mat for the base terrain to play the game. Also going to mess around with some easy terrain ideas like trees etc... Here comes the stupid question..... so how exactly does the terrain affect the game? For example, If i have trees, do they block line of sight or give any benefit to the troop behind it? Same goes with like caves, hills, buildings. How the **** do they affect the game? What if there is a hill and your'e up top firing down, does that have any different effects? Sorry, this is my first miniatures game ever. I've always seen these awesome 40k terrains that people play on but I've always wondered how the actual terrain affects the gameplay.

there are several levels of "cover" with help protect from incoming fire.

It can also hinder movement and possible damage the squad traversing it depending on the type of terrain. We don't currently have full rules.

Usually when you play on a table of terrain you and your opponent will go through and cover the rules for the terrain. After a time, you don't do this anymore as the terrain is often coming from the same pool and you have previously covered what does what.

So far we know a few things. There is light cover and heavy cover. The light cover basically cancels one hit automatically. Heavy cover cancels two hits. Units like Luke can jump over terrsin using the force. Other units can climb on top of terrain using grappling hooks.

1 hour ago, Omnustechni said:

Other units can climb on top of terrain using grappling hooks.

Not the upgrade mind you, just in the units normal kit.

If you are in "light cover" (trees, and home-made terrain) it cancels out one hit. If you are in "heavy cover" (the barricades that come in the core set.) it cancels out two hits. If your troops are behind terrain that is so big that they are not visible to the troopers that wish to fire at them; then they cannot be attacked. If your unit commander can get within base contact of the terrain you can move the rest of your unit into cohesion. If at least three of your figures are behind the cover, it counts for your whole unit.

On 1/7/2018 at 8:51 PM, gTrezona23 said:

so how exactly does the terrain affect the game? For example, If i have trees, do they block line of sight or give any benefit to the troop behind it? Same goes with like caves, hills, buildings. How the **** do they affect the game? What if there is a hill and your'e up top firing down, does that have any different effects? Sorry, this is my first miniatures game ever. I've always seen these awesome 40k terrains that people play on but I've always wondered how the actual terrain affects the gameplay.

People have told what we know about Legion (although just to point it out, we don't have the full rules yet), but to answer the rest of your question -

Terrain rules are different in every game, and vary pretty dramatically.

In some games, all terrain does basically the same thing - makes units on the other side harder to hit, and impede movement and/or line of sight. (40k/Legion are closer to this end of the spectrum).

In other games, terrain can do anything your mind can imagine. A river might cause some units to drown if they try to wade across it, while a river of molten rock might have evil lava creatures who have a chance to appear if you get close, and a runic pillar in the middle of the table might have a different random effect on the entire map each turn. There might be possessed trees that make units of a certain faction run faster near them, or a hill might slow units who try to charge up it. (Typically, smaller skirmish games are closer to this, since they have fewer units and so are less burdened by all the additional things going on.)