diff --git a/common/src/main/resources/data/valkyrienskies/vs_mass/1_19_blocks b/common/src/main/resources/data/valkyrienskies/vs_mass/1_19_blocks
new file mode 100644
index 000000000..cee29a304
--- /dev/null
+++ b/common/src/main/resources/data/valkyrienskies/vs_mass/1_19_blocks
@@ -0,0 +1,132 @@
+[
+  {
+    "block": "minecraft:pearlescent_froglight",
+    "mass": 3200.0,
+    "friction": 0.07,
+    "elasticity": 0.8
+  },
+  {
+    "block": "minecraft:verdant_froglight",
+    "mass": 3200.0,
+    "friction": 0.07,
+    "elasticity": 0.8
+  },
+  {
+    "block": "minecraft:ochre_froglight",
+    "mass": 3200.0,
+    "friction": 0.07,
+    "elasticity": 0.8
+  },
+  {
+    "block": "minecraft:frogspawn",
+    "mass": 1.0,
+    "friction": 0.03
+  },
+  {
+    "block": "minecraft:mangrove_log",
+    "mass": 900.0,
+    "friction": 0.6
+  },
+  {
+    "block": "minecraft:stripped_mangrove_log",
+    "mass": 900.0,
+    "friction": 0.4
+  },
+  {
+    "block": "minecraft:mangrove_wood",
+    "mass": 900.0,
+    "friction": 0.6
+  },
+  {
+    "block": "minecraft:stripped_mangrove_wood",
+    "mass": 900.0,
+    "friction": 0.4
+  },
+  {
+    "block": "minecraft:mangrove_planks",
+    "mass": 600.0,
+    "friction": 0.5
+  },
+  {
+    "block": "minecraft:mangrove_slab",
+    "mass": 300.0,
+    "friction": 0.5
+  },
+  {
+    "block": "minecraft:mangrove_stairs",
+    "mass": 450.0,
+    "friction": 0.5
+  },
+  {
+    "block": "minecraft:mangrove_propagule",
+    "mass": 15.0
+  },
+  {
+    "block": "minecraft:mangrove_roots",
+    "mass": 50.0,
+    "friction": 0.8
+  },
+  {
+    "block": "minecraft:muddy_mangrove_roots",
+    "mass": 1800.0,
+    "friction": 0.8
+  },
+  {
+    "block": "minecraft:mud",
+    "mass": 1800.0,
+    "friction": 0.9
+  },
+  {
+    "block": "minecraft:packed_mud",
+    "mass": 1450.0,
+    "friction": 0.7
+  },
+  {
+    "block": "minecraft:mud_bricks",
+    "mass": 1450.0,
+    "friction": 0.7
+  },
+  {
+    "block": "minecraft:mud_brick_wall",
+    "mass": 725.0,
+    "friction": 0.7
+  },
+  {
+    "block": "minecraft:mud_brick_slab",
+    "mass": 725.0,
+    "friction": 0.7
+  },
+  {
+    "block": "minecraft:mud_brick_stairs",
+    "mass": 1035.0,
+    "friction": 0.7
+  },
+  {
+    "block": "minecraft:reinforced_deepslate",
+    "mass": 3400.0,
+    "friction": 0.7
+  },
+  {
+    "block": "minecraft:sculk",
+    "mass": 400.0,
+    "friction": 0.2,
+    "elasticity": 0.3
+  },
+  {
+    "block": "minecraft:sculk_catalyst",
+    "mass": 600.0,
+    "friction": 0.2
+  },
+  {
+    "block": "minecraft:sculk_shrieker",
+    "mass": 200.0,
+    "friction": 0.2,
+    "elasticity": 0.3
+  },
+  {
+    "block": "minecraft:sculk_vein",
+    "mass": 8.0,
+    "friction": 0.2,
+    "elasticity": 0.03
+  }
+]