Gunslinger
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Also, I think that Daidre looks good at the start because of her enhanced scream (after all, -2 defense and 2 luck is a significant advantage). Kaspar is undoubtedly good, especially for clearing neutral creatures at the beginning. There's also Naadir, with his useful ability, who will be strong in battle. I'm not sure about Lucriencia; it seems like 1 vampirism at the start is useful, and so is spellcasting (mana regeneration at the start = good).