Discussion about Sylvan (Wood Elves).

The strength of the Elves increases significantly when facing their sworn enemies. But in general, I wouldn't single them out among the other factions.

Sworn enemy isn't a huge bonus, but some people might use it. Before (meaning before the Tribes of the East expansion), I didn't really like these skills because it's quite difficult to guess the opponent, but now it's okay, you can even level them up. The bonus is good when you're focusing on attack! But as the game shows, the Sylvan faction levels up everything moderately (attack, defense, strength, knowledge).