Come back after you've cleared Freedom Islands, or right-click the army inside to see what difficulty it presents, and if you think you can take it down, you will probably be able to clear it all.
If you don't meet the pre-req, you lose part of your army but can still attempt it. Pre-req: Mage class, or > 15 Intelligenge Reward: 250xp, 4600g, 2 might runes, Adherent's Staff, Scroll of Dragon Slayer
