Dungeon Master

Some use more esoteric titles related to the genre or style of the game, such as the "Keeper of Arcane Lore" from Call of Cthulhu and the "Hollyhock God" from Nobilis.

The DM is responsible for narrative flow, creating the scenario and setting in which the game takes place, maintaining the pace and providing dynamic feedback.

The DM can develop the adventure plot and setting in which these PCs participate or use a preexisting module.

At this point, he appeals to the DM, saying the water expands as it freezes and shatters the statue.

The DM must ultimately draw the line between the creative utilization of resources (e.g. firing wooden arrows into a dragon, then using a spell that warps wood at a distance) and an exploit (e.g. "horse bombing" - using a non-combat spell that creates a temporary mount, several dozen feet above an enemy).