A Little Darkness

1. Fear system added.
    1.1. Increasing of fear because of dark, damage, thirst, food poisoning, infestation, starving, lack of oxygen; passive debuffs in Nether, End and Cursed Lands etc.
    1.2. Decreasing of fear because of light, pets, sleeping and some food.
    1.3. Potions of Bravery and Calmless which have an impact on increasing and decreasing of fear.
        1.3.1. Potions have side effects.
        1.3.2. Potions cannot be used until player already has this effects, but can be used together.
    1.4. High fear levels cause various visual and sound effects.
    1.5. Low fear level gives a small buff.
2. Food Poisoning and Infestation rebalanced.
3. A message about dying from thirst added.
4. Milk can no longer be used while under the active effect of infestation or food poisoning (previously it was simply thrown out of inventory).
5. Drops from Cursed Tree Leaves fixed.
6. Fixed a bug when the Silver Sword and Vampire Blade did not lose durability after attacks.
7. Mob Smoldering added.
    7.1. The mob is relatively slow and weak.
    7.2. Immune to fire and does not burn in sunlight.
    7.3. Takes damage from water and rain.
    7.4. Has a second stage.
        7.4.1. This stage begins when the mob's health drops below 30%.
        7.4.2. The mob accelerates sharply, begins making a hissing sound, and creates particles around itself.
        7.4.3. After a few seconds, the mob explodes.
            7.4.3.1. Blocks are not destroyed.
            7.4.3.2. Fire is created within the explosion radius.
            7.4.3.3. The radius and strength of the explosion depend on the mob's level.
    7.5. Upon death, a Coal, a Bone, a Particle of Darkness, a Big Additional Heart or a Smoldering Coal may drop.
    7.6. When attacking, decreases the player's thirst and may inflict the thirst effect.
    7.7. Smoldering coal can be used as a more powerful version of coal in furnace and an Alloy Smelter and as ingredient of potion.
8. The infinite rain from the Cursed Lands was removed.
9. Swimming speed in the Cursed Lands was changed.
10. Drops of Jumping Zombie, Ghost and Vampire were reworked.