Something blind lives in the water with you, and it hunts by feeling every move you make.
Hellhounds, brimstone vents, and something waiting in the ice at the bottom.
Craft Sun, Moon, and Comet keys from star fragments, then match each to the one gate it opens.
Your sightline moves with you and vanishes when you leave — telescopes fix a view for good.
Your lantern charge is your light, your speed, and your stamina all at once.
Only a radius around you is visible, and it shifts with your adrenaline. Craft tools, hack gates.