For the uninitiated, a "trainer" is a third-party program that runs in the background while you play a game. It allows you to activate cheats or modifications that are not normally accessible in the standard menu. Unlike cheat codes built into the game engine, trainers work by altering the game's memory in real-time.
For version 1.06 specifically, trainers typically offer these core "story-helping" features: battle for middle earth 2 106 trainer 36 top
If you're struggling with the game or want a more legitimate experience, consider: Mastering Middle-Earth: A Deep Dive into BFME 2 Trainers (v1