[the Legend Of Zelda] Deathly Loneliness [botw] -

In certain desolate regions of Hyrule—like the ruins of a forgotten village or the peak of a frozen mountain—Link’s "Loneliness Meter" begins to fill. As it rises, the world loses its color, and the ambient music fades into a low, rhythmic heartbeat.

To break the state, you must seek out a campfire, cook a meal, or find a friendly NPC/stable. Physical warmth and social proximity restore the color to the world. [The legend of Zelda] Deathly Loneliness [BotW]

For a concept titled a compelling gameplay feature would be The Echo of the Departed. Feature: The Echo of the Departed In certain desolate regions of Hyrule—like the ruins

This adds a psychological survival layer to the game, emphasizing the weight of Link being a man out of time, wandering a kingdom that died 100 years ago. Physical warmth and social proximity restore the color

You start seeing "Echoes" of the past. For a split second, a ruined house might appear whole, with the translucent silhouettes of NPCs performing daily chores. If you approach, they vanish into ash.