Would be amusing if had 'none' as your atmosphere and you built a converter on a gas giant planet and when it was finished the giant would vanish.
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"What do -you- want?" "I'd like to live -just- long enough to be there when they cut off your head and stick it on a pike as a warning to the next ten generations that some favors come with too high a price. I would look up into your lifeless eyes and wave like this..." *waggle* "...can you and your associates arrange that for me, Mr. Morden?"