the d20 with a white rabbit leads to room 20

the text mentions your reflection – room 20 has mirrors

the wall says arrogance – room 20 is a vanity room

the apple says for the fairest referencing snow white mirror mirror on the wall – the next room 20 has mirrors and the previous room 14 references snow white and the seven dwarves

room 20 has a swallow on it – the catfish is about to swallow the lionfish