30x Writing Prompts (Action & Adventure)

We need 30 creative writing (fiction) prompts that could fit into the Action or Adventure genres. Prompts must adhere to our guidelines and audience profile (will be provided), but generally they can be about: character development, a given plot, an individual scene, a setting, or a literary device relevant to this genre.
Prompt up to 150 characters, plus instructions up to 250 characters.

Proposals must come from native or fluent English speakers with excellent grammar.