We’ve already been treated to one million square feet of RPG battle maps and then one million square feet of volcanic island battle maps from cartographer Zatnikotel (aka Lez Johnson). Now we have 1 million more as The One Million: Dungeon Dimensions series has just gone live, for free, on Deviant Art. The name is misleading, though, this time around Zatnikotel has created an incredible 2.25…