Tactics for the Swamp (Fortress).

I only played the Swamp faction with one strategy: through Vistan, upgrading lizards, nymphs, and dryads, and if possible, building a Castle on week 1, and Hydras on week 2. With Vistan, it's very easy to clear any crypts on week 1, and on week 2, you can even take on Gnomish and Impish units... I also heard about another interesting tactic: You take Verdish (with the healing specialization), with his own tent, and give him nymphs and a few basic snakes. With this stack of nymphs supported by enhanced healing, you can clear out a lot of interesting and useful things... You can use this as a second, weaker hero: Verdish with nymphs, while Vistan with lizards, and another weak hero with Hydras destroys more serious structures...