In this exercise you have to make a drawing on a given topic (which is basically just random words) in 30 minutes.
Insane architect
Dream eater
Mushroom guardian
Braided beard
Werewolf bite
Monster catcher 1
Monster catcher 2
Melting ice cream
Rock worm
Happy cook
Riding a wild boar
End of the world
Hermit
Mr. Moo
Preparing to go on stage
Reading a newspaper
Steam weapon
Storm phoenix
Sand surfer
Sleeping on duty
Turtle island
Ancient wardrobe
River's edge
Time traveler
Burning Sun
Military tank in 2050