Calaboons and dragons is bringing back Spelljammer , but at least a part of the iconic configuration of the campaign will not be used in the restarted version. Earlier this week, Wizards of the Coast announced that it would launch Spelljammer: Adventures in Space , _ a new box that contains three 64-page books designed to help configure a Spelljammer campaign. Two of these three books refer to the Astral Sea, a plane of existence that acts as the "space" among other planes. Given that Spelljammer's original configuration did not really use the Astral Sea, Calaboons and dragons _ The fans wondered how it would influence the scene of the campaign. It turns out that the Astral Sea will replace the phlogiston, the flammable gas substance by which the players traveled to reach different worlds. In the original campaign environment of Spelljammer, the planet systems were locked in glass spheres surrounded by flogiston, with ships that used flowing rivers similar to curren...