

Exploration is a task that has inherent difficulty in the genre, it’s uncommon to have actual points of no return as you describe, but if you can’t see through a particular segment to the next checkpoint, yeah sometimes giving up will cost you. An actual point of no return probably means you’re on the cusp of a sweet new ability though.
Some of the newer Gen 5 NVME SSDs can create enough heat that they need heat sinks.