Neil Gaiman’s eight rules of writing are right on target. There might be other rules such as, Let your writing bleed on the page, but these 8 rules of writing are worth reading more than once.>>>> these also work for drawing.
There's an urban legend that's been circulating for years about a taxi cab that doesn't take you where you want to go, but where you need to go. One night, you step into this cab. More<<<< the taxi cab of requirement
WRITING PROMPT: TV is interrupted by an Emergency Broadcast, the anchor says: "Please remain calm and stay indoors." Before he can give any details there's a powers cut. You can now hear sirens going off in the distance.