Different biomes do different things

[orchid garnet]

:DESERT: you would need a fan/something cold to not catch on fire :SNOW: you would need to stay near a campfire :FANTASY: you would need to eat something to not get hallucinations :OCEAN: you would not be able to stay underwater for too long or you drown :FACILITY: same for fantasy but different hallucinations :SUBURB: you would need to regulate your body temp to not burn/freeze

[pure vault]

only if its like a sign thingamajig

but sure

[orchid garnet]

yeah

ocean might still do it without a sign as long as there's a death teleporter

[marsh forge]

Only as a sign

[terse saddle]

ocean's could just be a sign for any biome

[wintry cradle]

DROWNING GAME RULE!