Discussion about Sylvan (Wood Elves).

by the way, you can also use the "Subjugate" spell) with an amulet that grants it to 4 creatures, and you basically win.

It seems like it has been mentioned several times that "Subjugate" can only be cast on one unit. If you cast it on a second unit, it will be removed from the first. But you can subjugate 3-4 Berserkers.