diff --git a/src/main/java/com/minelittlepony/unicopia/ability/EarthPonyStompAbility.java b/src/main/java/com/minelittlepony/unicopia/ability/EarthPonyStompAbility.java
index e347350b..4e345f09 100644
--- a/src/main/java/com/minelittlepony/unicopia/ability/EarthPonyStompAbility.java
+++ b/src/main/java/com/minelittlepony/unicopia/ability/EarthPonyStompAbility.java
@@ -58,8 +58,8 @@ public class EarthPonyStompAbility implements Ability<Hit> {
     @Nullable
     @Override
     public Hit tryActivate(Pony player) {
-        if (!player.getMaster().isOnGround() && !player.getMaster().abilities.flying) {
-            thrustDownwards(player.getMaster());
+        if (!player.getMaster().isOnGround() && player.getMaster().getVelocity().y * player.getPhysics().getGravitySignum() < 0 && !player.getMaster().abilities.flying) {
+            thrustDownwards(player);
             return Hit.INSTANCE;
         }
 
@@ -71,22 +71,22 @@ public class EarthPonyStompAbility implements Ability<Hit> {
         return Hit.SERIALIZER;
     }
 
-    private void thrustDownwards(PlayerEntity player) {
-        BlockPos ppos = player.getBlockPos();
-        BlockPos pos = PosHelper.findSolidGroundAt(player.getEntityWorld(), ppos);
+    private void thrustDownwards(Pony player) {
+        BlockPos ppos = player.getOrigin();
+        BlockPos pos = PosHelper.findSolidGroundAt(player.getWorld(), ppos, player.getPhysics().getGravitySignum());
 
-        double downV = Math.sqrt(ppos.getSquaredDistance(pos));
-        player.addVelocity(0, -downV, 0);
+        double downV = Math.sqrt(ppos.getSquaredDistance(pos)) * player.getPhysics().getGravitySignum();
+        player.getMaster().addVelocity(0, -downV, 0);
     }
 
     @Override
     public void apply(Pony iplayer, Hit data) {
         PlayerEntity player = iplayer.getMaster();
 
-        thrustDownwards(player);
+        thrustDownwards(iplayer);
 
         iplayer.waitForFall(() -> {
-            BlockPos center = PosHelper.findSolidGroundAt(player.getEntityWorld(), player.getBlockPos());
+            BlockPos center = PosHelper.findSolidGroundAt(player.getEntityWorld(), player.getBlockPos(), iplayer.getPhysics().getGravitySignum());
 
             float heavyness = 1 + EnchantmentHelper.getEquipmentLevel(UEnchantments.HEAVY, player);
 
@@ -101,7 +101,7 @@ public class EarthPonyStompAbility implements Ability<Hit> {
                     }
                     inertia /= heavyness;
 
-                    double liftAmount = Math.sin(Math.PI * dist / rad) * 12;
+                    double liftAmount = Math.sin(Math.PI * dist / rad) * 12 * iplayer.getPhysics().getGravitySignum();
 
                     i.addVelocity(
                             -(player.getX() - i.getX()) / inertia,
diff --git a/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/ScorchSpell.java b/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/ScorchSpell.java
index 4691ff97..d2549a3e 100644
--- a/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/ScorchSpell.java
+++ b/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/ScorchSpell.java
@@ -30,7 +30,7 @@ public class ScorchSpell extends FireSpell {
     @Override
     public boolean update(Caster<?> source) {
 
-        BlockPos pos = PosHelper.findSolidGroundAt(source.getWorld(), source.getOrigin());
+        BlockPos pos = PosHelper.findSolidGroundAt(source.getWorld(), source.getOrigin(), source.getPhysics().getGravitySignum());
 
         BlockState state = source.getWorld().getBlockState(pos);
 
diff --git a/src/main/java/com/minelittlepony/unicopia/util/PosHelper.java b/src/main/java/com/minelittlepony/unicopia/util/PosHelper.java
index 95ff99b5..483a2266 100644
--- a/src/main/java/com/minelittlepony/unicopia/util/PosHelper.java
+++ b/src/main/java/com/minelittlepony/unicopia/util/PosHelper.java
@@ -14,6 +14,7 @@ import com.minelittlepony.unicopia.util.shape.Shape;
 
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Direction.Axis;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.math.Vec3i;
 import net.minecraft.world.World;
@@ -26,10 +27,9 @@ public interface PosHelper {
         return a.add(b.getX(), b.getY(), b.getZ());
     }
 
-    static BlockPos findSolidGroundAt(World world, BlockPos pos) {
-        while ((pos.getY() > 0 || !World.isInBuildLimit(pos))
-                && (world.isAir(pos) || !world.getBlockState(pos).canPlaceAt(world, pos))) {
-            pos = pos.down();
+    static BlockPos findSolidGroundAt(World world, BlockPos pos, int signum) {
+        while (World.isInBuildLimit(pos) && (world.isAir(pos) || !world.getBlockState(pos).canPlaceAt(world, pos))) {
+            pos = pos.offset(Axis.Y, -signum);
         }
 
         return pos;