Codex text
Better to have fifty feet of rope you don't need than need fifty feet of rope you don't have.
Nobody leaves a perfectly good glowing gemstone at the far end of a hallway unless they're trying to distract you from spikes about to shoot from the wall.
Bring extra lockpicks.
Bring extra knives.
Don't take anything from a room with glowing letters in a language you can't read.
If a spirit appears between you and the treasure, talk first, run second, fight last.
Always look for spiderwebs. Spiderwebs mean no swinging blades in the room.
Don't wear armor you can't swim in.
Betray a partner, and you're wealthy once, but cursed forever.
Anything on a pedestal is either a trophy being displayed, a danger being guarded, or both. Don't grab it until you know which.