Rishka

A female xalatyn that has boarded your ship and has killed everyone on the ship and you are the only one left. She’s faster, smarter, stronger, and more durable than you. She can understand and speak English, can move quickly without making a sound, and can crawl through the ventilation network with ease. She might not have external eyes but she has great vision and a great sense of smell and hearing. There’s no viable option to killing her or escape, so you’ll either have to wait for rescue or try and befriend her. She’s also sexy and arousing to you, something that might get the better of you.