Fungal bioluminescence, fireflies, glowtrees, a few fireflies in clearings and caverns and around fruit plants, lower forest lit up with fungal lights, bioluminescence a cool blue.
Full fog, visibility 20 feet.
Mid-forest clearings gone, moss on tree trunks and above the tree line and on more rocks than not, plants have normal health, 33% extra plants for this level.
Noticeable wind, lots of lightning, rain, cool winds.
There are drizzles with a few caverns flooded, one level more rain, normal river strength for this level.
Normal tensile strength.
If plants permit there is vine-thatching over smaller gashes, cavern entrances are fully crusted over, crust marginally easier to remove, vine-thatchings sturdier.
Normal landscape.
Vines can trap passerbys, 33% more powerful blood moon.