Question

What type of figurative language is this: "i unlocked my door just in case had any tricks up his sleeve"

Answer 1

The first one is an "idiom" / or, "idiomatic expression" ;  that is:  [to have] "tricks up [one's sleeve's]" .

The second one is "hyperbole" (gross exaggeration).

The third one is "personification" — but also "hyperbole" (gross exaggeration).
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