This Modpack is hard survival modpack. New biomes from Biomes'o Plenty are enhanced by temperature and thirst bar. You need to obtain food, drinking water, defense against hostile creatures (predatory or poisonous animals on the surface, hordes of undead underground). The temperature affects your body, take shelter in the shade in the summer or warm yourself by the fire in the winter, use appropriate clothing.

Includes mods:

Not Enough Animations
Explorify – Dungeons & Structures
Chat Heads
Architectury API (Fabric/Forge/NeoForge)
MonoLib
More Vanilla Shields!
Just Enough Items (JEI)
More Swords Legacy
Balm (Forge Edition)
Macaw's Lights and Lamps
Extra Enchantments and Curses
Traveler's Backpack
GeckoLib
More Bows CJ [Fabric/Forge/Quilt]
EpheroLib
Config API [Fabric/Forge/NeoForge/Quilt]
More Bows and Arrows
Dimension Teleport
Waystones
Tanzanite Ore and Hammers
Heaven Dimension [Fabric]
More Music Discs [Fabric/Forge/NeoForge]
Ore pack (by cccstudio)
When Dungeons Arise - Forge!
More Axolotl Variants Mod
Serene Seasons
Large Ore Deposits
Tough As Nails
Macaw's Bridges
JourneyMap
Bookshelf
Dungeons Weaponry
Skin Layers 3D (Fabric/Forge)
Biomes O' Plenty
Towns and Towers
Cristel Lib
Croptopia
TerraBlender (Forge)
GlitchCore
ForgeEndertech
More Axolotl Variants API

Makyn's Survival

Architectury API

Balm

Biomes O' Plenty

Bookshelf

Chat Heads

Config API

Cristel Lib

Croptopia

Dimension Teleport

Dungeons Weaponry

EpheroLib

Explorify – Dungeons & Structures

Extra Enchantments and Curses

ForgeEndertech

GeckoLib

GlitchCore

Heaven Dimension Mod

JourneyMap

Just Enough Items (JEI)

Large Ore Deposits