逐步升級

逐 = 豕 + 辶 : The swine (豕) is stealing Julian Giant Squid's (zhu) eight gladiator sandals (辶) one by one (逐) in the space station's entrance (Ø2), with Julian Giant Squid chasing (逐) the swine each time.

步 = 止 + 丨 + 丶 + 丿 : Mnemonic symbol: a five-paced viper, 五步蛇.

Bruno Bear (bu) was strolling (步) around the space station's bathroom (Ø4) with a dinosaur bone (丨) as walking (步) stick in his hands. He disregarded the barrier (止) marking the wild, forbidden area lightheartedly and just jumped over it whistling a joyful tune. But shortly afterwards he made a terrible realization: only five paces (步)away there was a five-paced viper (步) hiding under a petal leaf (丶)! Bruno knew the viper was after him, so he tried to keep it at distance using his dinosaur bone and feeding it bananas (丿) while at the same time slowly backing up to the barrier.

升 = 丿 + 廾 : Mnemonic symbol: 升降机, shēng jiàng jī, a scissor lift.

Sherlock Holmes (sh) is working on an undercover job in front of the engine ((e)ng1). He is disguised as worker on a scissor lift (升), picking up bananas (丿) from engine's stones. He is always ready to strike and keeps his handcuffs (廾) ready at all times.

升 = 丿 + 廾 : Mnemonic symbol: 升降机, shēng jiàng jī, a scissor lift.

Sherlock Holmes (sh) is working on an undercover job in front of the engine ((e)ng1). He is disguised as worker on a scissor lift (升), picking up bananas (丿) from engine's stones. He is always ready to strike and keeps his handcuffs (廾) ready at all times.

升 = 丿 + 廾 : Mnemonic symbol: 升降机, shēng jiàng jī, a scissor lift.

Sherlock Holmes (sh) is working on an undercover job in front of the engine ((e)ng1). He is disguised as worker on a scissor lift (升), picking up bananas (丿) from engine's stones. He is always ready to strike and keeps his handcuffs (廾) ready at all times.

级 = 及 + 纟 : Joan of Arc (ji) closely investigates her newly arrived troops just inside the space station's entrance (Ø2). She ranks (级) them according to their level (级): First there is a silk worm (纟) which can at least shapeshift. On the next level, there is Yuwen Huaji (及), who has no comparable super power.