volcanic additions

heat stroke: 

Heat Stroke is a potion effect that will take life away from you continuously. you can use a wet towel to remove it.
effects:
slowness,
mining fatigue,
weakness,
nausea.

flora and fauna of the volcanic biome:

vegetation:
In the volcanic biome there are no trees or plant life. Since in the conditions of the biome life cannot be generated, however there are trees and plants burned around the place.

mobs and animals:
In the category of animals they are very few due to the conditions mentioned, among them there are:
pigs, llamas and rabbits.

In the monsters of this biome, the most common is the silver fish that is generated in the depths to prevent the obtaining of uranium, it is both day and night.
others:
blaze,
enderman,
magma cube,
skeleton,
withers skeleton,

structures:

Among the structures there are only 5, however 2 are more recurrent:
lava geysers,
volcanoes,

small lava lake,

medium lava lake,

large lava lake.