If you've built your own lightsaber (the only way to have one unless it's passed down from your Jedi Master) you shouldn't have a need for a phaser. Oh, and if my lightsaber can cut through a 3 foot thick blast door by melting the metal, I think it's safe to assume I can heat up rocks with it. *grins* <img src="/images/graemlins/grin.gif" alt="" />
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Experience is a hard teacher because she gives the test first, the lesson afterwards.