"about math, research papers, science"

"cheerful princess in a sparkly dress"

"Robot with a hoverboard"

"Wizard with a book of spells"

"Astronaut with a helmet off"

"Haunted forest"

"Viking with a horned helmet"

"Alien with tentacles"

"Cyber dragon"

"a powerful girl with short hairs"

"Jotunn in the frost"

"Troll under a bridge"