diff --git a/projects/1.21/assets/terralith/terralith/lang/en_us.json b/projects/1.21/assets/terralith/terralith/lang/en_us.json
new file mode 100644
index 000000000000..04d768c5f0df
--- /dev/null
+++ b/projects/1.21/assets/terralith/terralith/lang/en_us.json
@@ -0,0 +1,101 @@
+{
+  "biome.terralith.alpha_islands": "Alpha Islands",
+  "biome.terralith.alpha_islands_winter": "Alpha Islands (Winter)",
+  "biome.terralith.alpine_grove": "Alpine Grove",
+  "biome.terralith.alpine_highlands": "Alpine Highlands",
+  "biome.terralith.amethyst_canyon": "Amethyst Canyon",
+  "biome.terralith.amethyst_rainforest": "Amethyst Rainforest",
+  "biome.terralith.ancient_sands": "Ancient Sands",
+  "biome.terralith.arid_highlands": "Arid Highlands",
+  "biome.terralith.ashen_savanna": "Ashen Savanna",
+  "biome.terralith.basalt_cliffs": "Basalt Cliffs",
+  "biome.terralith.birch_taiga": "Birch Taiga",
+  "biome.terralith.blooming_plateau": "Blooming Plateau",
+  "biome.terralith.blooming_valley": "Blooming Valley",
+  "biome.terralith.brushland": "Brushland",
+  "biome.terralith.bryce_canyon": "Bryce Canyon",
+  "biome.terralith.caldera": "Caldera",
+  "biome.terralith.cloud_forest": "Cloud Forest",
+  "biome.terralith.cold_shrubland": "Cold Shrubland",
+  "biome.terralith.desert_canyon": "Desert Canyon",
+  "biome.terralith.desert_oasis": "Desert Oasis",
+  "biome.terralith.desert_spires": "Desert Spires",
+  "biome.terralith.emerald_peaks": "Emerald Peaks",
+  "biome.terralith.forested_highlands": "Forested Highlands",
+  "biome.terralith.fractured_savanna": "Fractured Savanna",
+  "biome.terralith.frozen_cliffs": "Frozen Cliffs",
+  "biome.terralith.glacial_chasm": "Glacial Chasm",
+  "biome.terralith.granite_cliffs": "Granite Cliffs",
+  "biome.terralith.gravel_beach": "Gravel Beach",
+  "biome.terralith.gravel_desert": "Gravel Desert",
+  "biome.terralith.haze_mountain": "Haze Mountain",
+  "biome.terralith.highlands": "Highlands",
+  "biome.terralith.hot_shrubland": "Hot Shrubland",
+  "biome.terralith.ice_marsh": "Ice Marsh",
+  "biome.terralith.jungle_mountains": "Jungle Mountains",
+  "biome.terralith.lavender_forest": "Lavender Forest",
+  "biome.terralith.lavender_valley": "Lavender Valley",
+  "biome.terralith.lush_desert": "Lush Desert",
+  "biome.terralith.lush_valley": "Lush Valley",
+  "biome.terralith.mirage_isles": "Mirage Isles",
+  "biome.terralith.moonlight_grove": "Moonlight Grove",
+  "biome.terralith.moonlight_valley": "Moonlight Valley",
+  "biome.terralith.mountain_steppe": "Mountain Steppe",
+  "biome.terralith.orchid_swamp": "Orchid Swamp",
+  "biome.terralith.painted_mountains": "Painted Mountains",
+  "biome.terralith.red_oasis": "Red Oasis",
+  "biome.terralith.rocky_jungle": "Rocky Jungle",
+  "biome.terralith.rocky_mountains": "Rocky Mountains",
+  "biome.terralith.rocky_shrubland": "Rocky Shrubland",
+  "biome.terralith.sakura_grove": "Sakura Grove",
+  "biome.terralith.sakura_valley": "Sakura Valley",
+  "biome.terralith.sandstone_valley": "Sandstone Valley",
+  "biome.terralith.savanna_badlands": "Savanna Badlands",
+  "biome.terralith.savanna_slopes": "Savanna Slopes",
+  "biome.terralith.scarlet_mountains": "Scarlet Mountains",
+  "biome.terralith.shield_clearing": "Shield Clearing",
+  "biome.terralith.shield": "Shield",
+  "biome.terralith.shrubland": "Shrubland",
+  "biome.terralith.siberian_grove": "Siberian Grove",
+  "biome.terralith.siberian_taiga": "Siberian Taiga",
+  "biome.terralith.skylands": "Skylands",
+  "biome.terralith.skylands_autumn": "Skylands (Autumn)",
+  "biome.terralith.skylands_spring": "Skylands (Spring)",
+  "biome.terralith.skylands_summer": "Skylands (Summer)",
+  "biome.terralith.skylands_winter": "Skylands (Winter)",
+  "biome.terralith.snowy_badlands": "Snowy Badlands",
+  "biome.terralith.snowy_cherry_grove": "Snowy Cherry Grove",
+  "biome.terralith.snowy_maple_forest": "Snowy Maple Forest",
+  "biome.terralith.snowy_shield": "Snowy Shield",
+  "biome.terralith.steppe": "Steppe",
+  "biome.terralith.stony_spires": "Stony Spires",
+  "biome.terralith.temperate_highlands": "Temperate Highlands",
+  "biome.terralith.tropical_jungle": "Tropical Jungle",
+  "biome.terralith.valley_clearing": "Valley Clearing",
+  "biome.terralith.volcanic_crater": "Volcanic Crater",
+  "biome.terralith.volcanic_peaks": "Volcanic Peaks",
+  "biome.terralith.warm_river": "Warm River",
+  "biome.terralith.warped_mesa": "Warped Mesa",
+  "biome.terralith.white_cliffs": "White Cliffs",
+  "biome.terralith.white_mesa": "White Mesa",
+  "biome.terralith.windswept_spires": "Windswept Spires",
+  "biome.terralith.wintry_forest": "Wintry Forest",
+  "biome.terralith.wintry_lowlands": "Wintry Lowlands",
+  "biome.terralith.yellowstone": "Yellowstone",
+  "biome.terralith.yosemite_cliffs": "Yosemite Cliffs",
+  "biome.terralith.yosemite_lowlands": "Yosemite Lowlands",
+  "biome.terralith.cave/andesite_caves": "Andesite Caves",
+  "biome.terralith.cave/desert_caves": "Desert Caves",
+  "biome.terralith.cave/diorite_caves": "Diorite Caves",
+  "biome.terralith.cave/fungal_caves": "Fungal Caves",
+  "biome.terralith.cave/granite_caves": "Granite Caves",
+  "biome.terralith.cave/ice_caves": "Ice Caves",
+  "biome.terralith.cave/infested_caves": "Infested Caves",
+  "biome.terralith.cave/thermal_caves": "Thermal Caves",
+  "biome.terralith.cave/underground_jungle": "Underground Jungle",
+  "biome.terralith.cave/crystal_caves": "Crystal Caves",
+  "biome.terralith.cave/deep_caves": "Deep Caves",
+  "biome.terralith.cave/frostfire_caves": "Frostfire Caves",
+  "biome.terralith.cave/mantle_caves": "Mantle Caves",
+  "biome.terralith.cave/tuff_caves": "Tuff Caves"
+}
diff --git a/projects/1.21/assets/terralith/terralith/lang/zh_cn.json b/projects/1.21/assets/terralith/terralith/lang/zh_cn.json
new file mode 100644
index 000000000000..ac335f8a6a8d
--- /dev/null
+++ b/projects/1.21/assets/terralith/terralith/lang/zh_cn.json
@@ -0,0 +1,101 @@
+{
+  "biome.terralith.alpha_islands": "旧日岛",
+  "biome.terralith.alpha_islands_winter": "冬季旧日岛",
+  "biome.terralith.alpine_grove": "高山雪林",
+  "biome.terralith.alpine_highlands": "高山高地",
+  "biome.terralith.amethyst_canyon": "紫水晶峡谷",
+  "biome.terralith.amethyst_rainforest": "紫水晶雨林",
+  "biome.terralith.ancient_sands": "远古沙地",
+  "biome.terralith.arid_highlands": "干旱高地",
+  "biome.terralith.ashen_savanna": "灰白热带草原",
+  "biome.terralith.basalt_cliffs": "玄武岩峭壁",
+  "biome.terralith.birch_taiga": "白桦针叶林",
+  "biome.terralith.blooming_plateau": "繁花高原",
+  "biome.terralith.blooming_valley": "繁花谷地",
+  "biome.terralith.brushland": "灌木丛地",
+  "biome.terralith.bryce_canyon": "斑驳峡谷",
+  "biome.terralith.caldera": "破火山口",
+  "biome.terralith.cloud_forest": "云白森林",
+  "biome.terralith.cold_shrubland": "寒冷灌丛地",
+  "biome.terralith.desert_canyon": "沙漠峡谷",
+  "biome.terralith.desert_oasis": "沙漠绿洲",
+  "biome.terralith.desert_spires": "沙漠尖峰",
+  "biome.terralith.emerald_peaks": "绿宝石山峰",
+  "biome.terralith.forested_highlands": "林荫高地",
+  "biome.terralith.fractured_savanna": "裂痕热带草原",
+  "biome.terralith.frozen_cliffs": "冰封峭壁",
+  "biome.terralith.glacial_chasm": "开裂冰川",
+  "biome.terralith.granite_cliffs": "花岗岩峭壁",
+  "biome.terralith.gravel_beach": "砾石海滩",
+  "biome.terralith.gravel_desert": "砾石荒漠",
+  "biome.terralith.haze_mountain": "薄雾山地",
+  "biome.terralith.highlands": "高地",
+  "biome.terralith.hot_shrubland": "炎热灌丛地",
+  "biome.terralith.ice_marsh": "冻沼",
+  "biome.terralith.jungle_mountains": "丛林山地",
+  "biome.terralith.lavender_forest": "薰衣草森林",
+  "biome.terralith.lavender_valley": "薰衣草谷地",
+  "biome.terralith.lush_desert": "繁茂沙漠",
+  "biome.terralith.lush_valley": "繁茂谷地",
+  "biome.terralith.mirage_isles": "幻象岛屿",
+  "biome.terralith.moonlight_grove": "月光针叶林",
+  "biome.terralith.moonlight_valley": "月光谷地",
+  "biome.terralith.mountain_steppe": "山地干草原",
+  "biome.terralith.orchid_swamp": "兰花沼泽",
+  "biome.terralith.painted_mountains": "彩绘山地",
+  "biome.terralith.red_oasis": "红沙绿洲",
+  "biome.terralith.rocky_jungle": "多岩丛林",
+  "biome.terralith.rocky_mountains": "多岩山地",
+  "biome.terralith.rocky_shrubland": "多岩灌丛地",
+  "biome.terralith.sakura_grove": "樱花林",
+  "biome.terralith.sakura_valley": "樱花谷地",
+  "biome.terralith.sandstone_valley": "砂岩谷地",
+  "biome.terralith.savanna_badlands": "热带草原恶地",
+  "biome.terralith.savanna_slopes": "热带山坡",
+  "biome.terralith.scarlet_mountains": "猩红山地",
+  "biome.terralith.shield_clearing": "空旷地盾",
+  "biome.terralith.shield": "地盾",
+  "biome.terralith.shrubland": "灌丛地",
+  "biome.terralith.siberian_grove": "西伯利亚雪林",
+  "biome.terralith.siberian_taiga": "西伯利亚针叶林",
+  "biome.terralith.skylands": "空岛",
+  "biome.terralith.skylands_autumn": "秋季空岛",
+  "biome.terralith.skylands_spring": "春季空岛",
+  "biome.terralith.skylands_summer": "夏季空岛",
+  "biome.terralith.skylands_winter": "冬季空岛",
+  "biome.terralith.snowy_badlands": "积雪恶地",
+  "biome.terralith.snowy_cherry_grove": "积雪樱花林",
+  "biome.terralith.snowy_maple_forest": "积雪枫树林",
+  "biome.terralith.snowy_shield": "积雪地盾",
+  "biome.terralith.steppe": "大草原",
+  "biome.terralith.stony_spires": "裸岩尖峰",
+  "biome.terralith.temperate_highlands": "温带高地",
+  "biome.terralith.tropical_jungle": "热带丛林",
+  "biome.terralith.valley_clearing": "山谷空地",
+  "biome.terralith.volcanic_crater": "火山口",
+  "biome.terralith.volcanic_peaks": "火山山峰",
+  "biome.terralith.warm_river": "暖水河流",
+  "biome.terralith.warped_mesa": "扭曲台地",
+  "biome.terralith.white_cliffs": "白色峭壁",
+  "biome.terralith.white_mesa": "白色台地",
+  "biome.terralith.windswept_spires": "风袭尖峰",
+  "biome.terralith.wintry_forest": "寒冬森林",
+  "biome.terralith.wintry_lowlands": "寒冬低地",
+  "biome.terralith.yellowstone": "黄石国家公园",
+  "biome.terralith.yosemite_cliffs": "优胜美地峭壁",
+  "biome.terralith.yosemite_lowlands": "优胜美地低地",
+  "biome.terralith.cave/andesite_caves": "安山岩洞穴",
+  "biome.terralith.cave/desert_caves": "沙漠洞穴",
+  "biome.terralith.cave/diorite_caves": "闪长岩洞穴",
+  "biome.terralith.cave/fungal_caves": "真菌洞穴",
+  "biome.terralith.cave/granite_caves": "花岗岩洞穴",
+  "biome.terralith.cave/ice_caves": "冰封洞穴",
+  "biome.terralith.cave/infested_caves": "侵染洞穴",
+  "biome.terralith.cave/thermal_caves": "地热洞穴",
+  "biome.terralith.cave/underground_jungle": "地下丛林",
+  "biome.terralith.cave/crystal_caves": "水晶洞穴",
+  "biome.terralith.cave/deep_caves": "深邃洞穴",
+  "biome.terralith.cave/frostfire_caves": "霜火洞穴",
+  "biome.terralith.cave/mantle_caves": "地幔洞穴",
+  "biome.terralith.cave/tuff_caves": "凝灰岩洞穴"
+}