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Sesam,
1. Yes, I will provide clues.
2. You can't go into the negative: zero, and you're dead. After that, no more non-damage effects are used on you. The clue is essentially for the finishing blow, if that's what you mean.
Saret, 2 non-damage effects, one of which is a killing effect, but deducting money is not considered a non-damage effect, regardless of the outcome.