Ah yes "Dragons"
I am fairly certain that if BioWare and Bethesda ever collaborated on a game the resulting godchild game would cause the universe to implode.
Have Bioware make the stories, quests and characters, and Bethesda the world, rpg elements, combat, and other game mechanics.
Have the game use the new virtual reality tech, and...whoops, you broke the universe. The game was too...Biothesarian Awesomenosity.