Plot hole: Even if you've acquired Piers's ship before visiting Garoh (a city populated by werewolves), when you first set sail in Piers's ship, Sheba will say, "We've already met werewolves."
In the Mars Lighthouse, in the same room you defeat the Flame Dragons in, return after you have defeated the Flame Dragons and fire off the cannon. A crack will appear where the ice was, even though there is no ice.
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