[it does look like a few crates has some chew marks and gaps likely left by vermin - probably looking for food and giving up as turns out gunpowder is not food. The door slides open with a low hiss.

If Stoat chances to look, he'd see what appears to be Harlock - thought there's some noticeable differences - the old scar looks like a fresh, bleeding wound, his visible eye glowing gold as he scans the room, searching]