# Yggdrasil Pack 4.0/4.1 Highlights
Major Features:
- Helheim: New massive underground structure
- 5 new structure cartography altars for locating main structures
- Runic Island revamp
- 5 new Villagers for key exchanges
- Divine Keys system
- Adding Pet
- Access to the runic dimensions is more easly
- New Lore
Helheim Details:
- Located in any cave system
- Size: 128x128x128 blocks
- Adapts to cave biomes
- Includes first part of main storyline
- Rewards: Reva familiar, exclusive enchants, Heavy Core
Structure Changes:
- Runic Island: New secret passages
- Runic Dimension: Easier access
- Asflors: Second room directly unlocked
- Alfheim: Increased sinister key drop rate
- Runic Labyrinth: More vault chests
Technical Updates:
- Improved translations for 7 languages
- Resource Pack preparation
- Version 3.0.0 keys incompatibility
- Bug fixes and optimizations
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For more details about Yggdrasil 4.1.0's check out [Full Patchnote](https://voxel.hardel.io/en-us/blog/yggdrasil-4)
Optional dependencies
Neo Enchant+
Any compatible version
Developer information
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle.
maven { name = "Modrinth"; url = "https://api.modrinth.com/maven" }
