Zetry

Thaleryn – 4K, 1.21.5+ | Upgraded

Added 2026-01-27 18:25:00 +0000 UTC

Downloads below the changelogs
Click here for map info

Changelog (Latest)

Added desert village

Changelogs (Previous)

Fixed structures filled with red concrete
Improved lush caves: better formations, taller
Added amelush caves
Updated birchpine forests
Updated bedrock
Replaced some older biomes with improved versions (same idea, just better now)
Added Spruce Forest, Young Birch Forest, Young Oak Forest, and Birchpine Forest
Added a new village with better houses (hope the villagers like it too 😄)
Cleaned up a few bugs + terrain mistakes I noticed later on
Improved all stone ruins and added loot chests to them
Made the whole map a bit cooler overall (also still 1.21.5)
New renders and screenshots to match the update (this part took forever 😭)
All default rocks now come in multiple materials. Stone, tuff, and deepslate are most common, but you can also find rarer diorite and granite rocks.
New snowy rocks for cold biomes.
New volcano rocks that matches the cliffs.
Added granite rocks to desert riversides.
Improved Plains, Taiga, and Snowy villages — more alive and detailed.
Added ocean rocks.
Added ruined portals to oceans (cold & warm variants).
New river variants for deserts & Usavannas.
Tropical beaches for warm biomes, temperate beaches for cooler ones.
Palms and granite rocks on desert riversides.
Revamped crystal caves.
Improved dripstone caves.
Upgraded vanilla caves for better shapes & variety.
Revamped water lush caves.
Improved cave interactions — some now naturally connect, making underground exploration more dynamic.
New biomes: Old Growth Oak Forest & Old Growth Birch Forest.
New snow layers for mountains & snowy biomes, including light patches of powder snow in snowy biomes (only 1 block deep).
Rocky shores added.
Improved Pale Gardens
New mesa cliffs/mountains.
Revamped ancient city.
2 new volcano biome structures.
New vanilla-style ruined portals. Mesa portals use terracotta & mud bricks; other biomes use blackstone, stone, or deepslate.
Fixed an issue where trees, bushes, logs and rocks spawned inside the woodland mansion.
…and plenty more tweaks & fixes!