From Frogboy.
#8 DO NOT MINDLESSLY THROW ARMIES AT MONSTERS
Biggest mistake I’ve seen in new players – trying to “wear down” monsters by sending army after army at them. Kill them or don’t try. Because, like you, they level up.
#9 REMEMBER: FROM THEIR PERSPECTIVE, THEY ARE THE CUSTOMER, IT’S THEIR GAME AND YOU ARE A GRIEFING THEM
The monsters in Elemental: FE have been written as if they are the main characters. That is, they have all the capabilities you do. They go up in level, gain new abilities, can get loot, etc. If you’ve ever read the original “I am Legend” you will understand