Editing Total War: Warhammer/Tactics (section)

===Ambush===
All armies can take the AMBUSH stance, where they'll do their best to hide their forces and attack armies that cross their path. Ambush success rates can be influenced by a number of factors, including campaign skills, faction bonuses and even the area on the world map you're attempting to set an ambush up in. Some armies, like Skaven and Beastmen, have ambush as their default attack stance. When ambushing your opponent cannot benefit from reinforcements, but the ambushing army ''can''. An army in Ambush stance can be detected either by independent heroes coming across them or if the defending army has a high enough ambush defense chance, in which case the battle will proceed as a normal engagement.

Ambushing armies can position themselves anywhere on the map, while the defending army marches from one end of the field to the next. Ambushing armies are HIDDEN until someone attacks, or they are spotted by the General. 

Another addition in TWWH3 is an escape zone. Ambushed armies will attempt to flee the field, taking them out of play. If the Ambusher is victorious, the opposing army will be totally destroyed.

A fantastic strategy for dealing with AI is to set up an army in Ambush (preferably one with a high success rate) then have a second, weaker banner army hang out next to them in a regular stance. In many cases, the enemy AI will see the much weaker force and attempt to engage them in battle, only to stumble into your ambush. And of course, the weaker army can support the ambushing one to help ensure a victory. This is also a pretty good tactic to help level up your weaker/newer lords until they're ranked up enough to handle themselves.