diff --git a/paper/src/main/java/com/denizenscript/denizen/paper/PaperModule.java b/paper/src/main/java/com/denizenscript/denizen/paper/PaperModule.java
index 58ff60ed66..3cf01c2b26 100644
--- a/paper/src/main/java/com/denizenscript/denizen/paper/PaperModule.java
+++ b/paper/src/main/java/com/denizenscript/denizen/paper/PaperModule.java
@@ -100,6 +100,9 @@ public static void init() {
             ScriptEvent.registerScriptEvent(TNTPrimesScriptEvent.class);
         }
         ScriptEvent.registerScriptEvent(UnknownCommandScriptEvent.class);
+        if (NMSHandler.getVersion().isAtLeast(NMSVersion.v1_21)) {
+            ScriptEvent.registerScriptEvent(VaultChangeStateScriptEvent.class);
+        }
         if (NMSHandler.getVersion().isAtLeast(NMSVersion.v1_19)) {
             ScriptEvent.registerScriptEvent(WardenChangesAngerLevelScriptEvent.class);
         }
diff --git a/paper/src/main/java/com/denizenscript/denizen/paper/events/VaultChangeStateScriptEvent.java b/paper/src/main/java/com/denizenscript/denizen/paper/events/VaultChangeStateScriptEvent.java
new file mode 100644
index 0000000000..aa11288539
--- /dev/null
+++ b/paper/src/main/java/com/denizenscript/denizen/paper/events/VaultChangeStateScriptEvent.java
@@ -0,0 +1,67 @@
+package com.denizenscript.denizen.paper.events;
+
+import com.denizenscript.denizen.events.BukkitScriptEvent;
+import com.denizenscript.denizen.objects.LocationTag;
+import com.denizenscript.denizencore.objects.ObjectTag;
+import com.denizenscript.denizencore.objects.core.ElementTag;
+import io.papermc.paper.event.block.VaultChangeStateEvent;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+
+public class VaultChangeStateScriptEvent extends BukkitScriptEvent implements Listener {
+
+    // <--[event]
+    // @Events
+    // vault changes state
+    //
+    // @Plugin Paper
+    //
+    // @Group Block
+    //
+    // @Cancellable true
+    //
+    // @Location true
+    //
+    // @Triggers when a vault block state changes
+    //
+    // @Context
+    // <context.location> returns the LocationTag of the vault block.
+    // <context.current_state> returns the ElementTag of the vault state on change.
+    // <context.new_state> returns the ElementTag of the new vault state.
+    //
+    // @Player when the entity who triggered the change is a player.
+    //
+    // -->
+
+    public VaultChangeStateScriptEvent() {
+        registerCouldMatcher("vault changes state");
+    }
+
+    public LocationTag location;
+    public VaultChangeStateEvent event;
+
+    @Override
+    public boolean matches(ScriptPath path) {
+        if (!runInCheck(path, location)) {
+            return false;
+        }
+        return super.matches(path);
+    }
+
+    @Override
+    public ObjectTag getContext(String name) {
+        return switch (name) {
+            case "current_state" -> new ElementTag(event.getCurrentState().toString().toLowerCase());
+            case "new_state" -> new ElementTag(event.getNewState().toString().toLowerCase());
+            case "location" -> location;
+            default -> super.getContext(name);
+        };
+    }
+
+    @EventHandler
+    public void onVaultChangeStateEvent(VaultChangeStateEvent event) {
+        location = new LocationTag(event.getBlock().getLocation());
+        this.event = event;
+        fire(event);
+    }
+}
diff --git a/plugin/src/main/java/com/denizenscript/denizen/events/ScriptEventRegistry.java b/plugin/src/main/java/com/denizenscript/denizen/events/ScriptEventRegistry.java
index a3e71d4ec1..c9c46dc9bc 100644
--- a/plugin/src/main/java/com/denizenscript/denizen/events/ScriptEventRegistry.java
+++ b/plugin/src/main/java/com/denizenscript/denizen/events/ScriptEventRegistry.java
@@ -17,6 +17,7 @@
 import com.denizenscript.denizen.utilities.depends.Depends;
 import com.denizenscript.denizencore.events.ScriptEvent;
 import com.denizenscript.denizencore.events.ScriptEventCouldMatcher;
+import org.bukkit.event.entity.TrialSpawnerSpawnEvent;
 
 import java.util.Arrays;
 
@@ -100,6 +101,8 @@ public static void registerMainEvents() {
         }
         if (NMSHandler.getVersion().isAtLeast(NMSVersion.v1_21)) {
             ScriptEvent.registerScriptEvent(CrafterCraftsScriptEvent.class);
+            ScriptEvent.registerScriptEvent(EntityTrialSpawnerSpawnScriptEvent.class);
+            ScriptEvent.registerScriptEvent(VaultDisplayItemScriptEvent.class);
         }
 
         // Entity events
diff --git a/plugin/src/main/java/com/denizenscript/denizen/events/block/VaultDisplayItemScriptEvent.java b/plugin/src/main/java/com/denizenscript/denizen/events/block/VaultDisplayItemScriptEvent.java
new file mode 100644
index 0000000000..06e20e3c11
--- /dev/null
+++ b/plugin/src/main/java/com/denizenscript/denizen/events/block/VaultDisplayItemScriptEvent.java
@@ -0,0 +1,72 @@
+package com.denizenscript.denizen.events.block;
+
+import com.denizenscript.denizen.events.BukkitScriptEvent;
+import com.denizenscript.denizen.objects.ItemTag;
+import com.denizenscript.denizen.objects.LocationTag;
+import com.denizenscript.denizencore.objects.ObjectTag;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.VaultDisplayItemEvent;
+
+public class VaultDisplayItemScriptEvent extends BukkitScriptEvent implements Listener {
+
+    // <--[event]
+    // @Events
+    // vault displays <item>
+    //
+    // @Group Block
+    //
+    // @Location true
+    //
+    // @Cancellable true
+    //
+    // @Triggers when a vault block displays an item.
+    //
+    // @Context
+    // <context.location> returns the LocationTag of the vault block.
+    // <context.item> returns the ItemTag being displayed.
+    //
+    // @Determine
+    // "ITEM:<ItemTag>" to set the item being displayed.
+    //
+    // -->
+
+    public VaultDisplayItemScriptEvent() {
+        registerCouldMatcher("vault displays <item>");
+        this.<VaultDisplayItemScriptEvent, ItemTag>registerDetermination("item", ItemTag.class, (evt, context, item) -> {
+            event.setDisplayItem(item.getItemStack());
+        });
+    }
+
+    public LocationTag location;
+    public ItemTag item;
+    public VaultDisplayItemEvent event;
+
+    @Override
+    public boolean matches(ScriptPath path) {
+        if (!runInCheck(path, location)) {
+            return false;
+        }
+        if (!path.tryArgObject(2, item)) {
+            return false;
+        }
+        return super.matches(path);
+    }
+
+    @Override
+    public ObjectTag getContext(String name) {
+        return switch (name) {
+            case "item" -> new ItemTag(event.getDisplayItem());
+            case "location" -> location;
+            default -> super.getContext(name);
+        };
+    }
+
+    @EventHandler
+    public void onVaultDisplayItemEvent(VaultDisplayItemEvent event) {
+        location = new LocationTag(event.getBlock().getLocation());
+        item = new ItemTag(event.getDisplayItem());
+        this.event = event;
+        fire(event);
+    }
+}
diff --git a/plugin/src/main/java/com/denizenscript/denizen/events/entity/EntityTrialSpawnerSpawnScriptEvent.java b/plugin/src/main/java/com/denizenscript/denizen/events/entity/EntityTrialSpawnerSpawnScriptEvent.java
new file mode 100644
index 0000000000..0aa05187b8
--- /dev/null
+++ b/plugin/src/main/java/com/denizenscript/denizen/events/entity/EntityTrialSpawnerSpawnScriptEvent.java
@@ -0,0 +1,85 @@
+package com.denizenscript.denizen.events.entity;
+
+import com.denizenscript.denizen.objects.EntityTag;
+import com.denizenscript.denizen.objects.LocationTag;
+import com.denizenscript.denizen.utilities.implementation.BukkitScriptEntryData;
+import com.denizenscript.denizen.events.BukkitScriptEvent;
+import com.denizenscript.denizencore.objects.ObjectTag;
+import com.denizenscript.denizencore.scripts.ScriptEntryData;
+import org.bukkit.entity.Entity;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.TrialSpawnerSpawnEvent;
+
+public class EntityTrialSpawnerSpawnScriptEvent extends BukkitScriptEvent implements Listener {
+
+    // <--[event]
+    // @Events
+    // trial_spawner spawns <entity>
+    //
+    // @Group Entity
+    //
+    // @Location true
+    //
+    // @Cancellable true
+    //
+    // @Triggers when an entity spawns from a trial spawner.
+    //
+    // @Switch spawner:<location> to only process the event if the trial spawner's location matches.
+    //
+    // @Context
+    // <context.entity> returns the EntityTag that spawned.
+    // <context.location> returns the LocationTag the entity will spawn at.
+    // <context.spawner_location> returns the LocationTag of the trial spawner.
+    //
+    // -->
+
+    public EntityTrialSpawnerSpawnScriptEvent() {
+        registerCouldMatcher("trial_spawner spawns <entity>");
+        registerSwitches("spawner");
+    }
+
+    private EntityTag entity;
+    private LocationTag location;
+    private LocationTag trialSpawnerLocation;
+
+    @Override
+    public boolean matches(ScriptPath path) {
+        if (!path.tryArgObject(2, entity)) {
+            return false;
+        }
+        if (!path.tryObjectSwitch("spawner", trialSpawnerLocation)) {
+            return false;
+        }
+        if (!runInCheck(path, location)) {
+            return false;
+        }
+        return super.matches(path);
+    }
+
+    @Override
+    public ScriptEntryData getScriptEntryData() {
+        return new BukkitScriptEntryData(entity);
+    }
+
+    @Override
+    public ObjectTag getContext(String name) {
+        return switch (name) {
+            case "entity" -> entity;
+            case "location" -> location;
+            case "spawner_location" -> trialSpawnerLocation;
+            default -> super.getContext(name);
+        };
+    }
+
+    @EventHandler
+    public void onTrialSpawnerSpawn(TrialSpawnerSpawnEvent event) {
+        Entity entity = event.getEntity();
+        this.entity = new EntityTag(entity);
+        location = new LocationTag(event.getLocation());
+        trialSpawnerLocation = new LocationTag(event.getTrialSpawner().getLocation());
+        EntityTag.rememberEntity(entity);
+        fire(event);
+        EntityTag.forgetEntity(entity);
+    }
+}
diff --git a/plugin/src/main/java/com/denizenscript/denizen/objects/properties/PropertyRegistry.java b/plugin/src/main/java/com/denizenscript/denizen/objects/properties/PropertyRegistry.java
index 477c8bb129..b46f6504aa 100644
--- a/plugin/src/main/java/com/denizenscript/denizen/objects/properties/PropertyRegistry.java
+++ b/plugin/src/main/java/com/denizenscript/denizen/objects/properties/PropertyRegistry.java
@@ -296,6 +296,9 @@ public static void registerMainProperties() {
         PropertyParser.registerProperty(MaterialLightable.class, MaterialTag.class);
         PropertyParser.registerProperty(MaterialMode.class, MaterialTag.class);
         PropertyParser.registerProperty(MaterialNote.class, MaterialTag.class);
+        if (NMSHandler.getVersion().isAtLeast(NMSVersion.v1_21)) {
+            PropertyParser.registerProperty(MaterialOminous.class, MaterialTag.class);
+        }
         PropertyParser.registerProperty(MaterialPersistent.class, MaterialTag.class);
         PropertyParser.registerProperty(MaterialPower.class, MaterialTag.class);
         PropertyParser.registerProperty(MaterialShape.class, MaterialTag.class);
@@ -303,6 +306,9 @@ public static void registerMainProperties() {
         PropertyParser.registerProperty(MaterialSnowable.class, MaterialTag.class);
         PropertyParser.registerProperty(MaterialSwitchable.class, MaterialTag.class);
         PropertyParser.registerProperty(MaterialUnstable.class, MaterialTag.class);
+        if (NMSHandler.getVersion().isAtLeast(NMSVersion.v1_21)) {
+            PropertyParser.registerProperty(MaterialVaultState.class, MaterialTag.class);
+        }
         PropertyParser.registerProperty(MaterialWaterlogged.class, MaterialTag.class);
 
         // register core TradeTag properties
diff --git a/plugin/src/main/java/com/denizenscript/denizen/objects/properties/material/MaterialOminous.java b/plugin/src/main/java/com/denizenscript/denizen/objects/properties/material/MaterialOminous.java
new file mode 100644
index 0000000000..b607c481ce
--- /dev/null
+++ b/plugin/src/main/java/com/denizenscript/denizen/objects/properties/material/MaterialOminous.java
@@ -0,0 +1,98 @@
+package com.denizenscript.denizen.objects.properties.material;
+
+import com.denizenscript.denizen.objects.MaterialTag;
+import com.denizenscript.denizencore.objects.Mechanism;
+import com.denizenscript.denizencore.objects.ObjectTag;
+import com.denizenscript.denizencore.objects.core.ElementTag;
+import com.denizenscript.denizencore.objects.properties.Property;
+import com.denizenscript.denizencore.objects.properties.PropertyParser;
+import org.bukkit.block.data.type.TrialSpawner;
+import org.bukkit.block.data.type.Vault;
+
+public class MaterialOminous implements Property {
+
+    public static boolean describes(ObjectTag material) {
+        return material instanceof MaterialTag
+                && ((MaterialTag) material).hasModernData()
+                && (((MaterialTag) material).getModernData() instanceof Vault
+                || ((MaterialTag) material).getModernData() instanceof TrialSpawner);
+    }
+
+    public static MaterialOminous getFrom(ObjectTag _material) {
+        if (!describes(_material)) {
+            return null;
+        } else {
+            return new MaterialOminous((MaterialTag) _material);
+        }
+    }
+
+    public static final String[] handledMechs = new String[]{
+            "ominous"
+    };
+
+    public MaterialOminous(MaterialTag _material) {
+        material = _material;
+    }
+
+    MaterialTag material;
+
+    public static void register() {
+
+        // <--[tag]
+        // @attribute <MaterialTag.is_ominous>
+        // @returns ElementTag(Boolean)
+        // @mechanism MaterialTag.ominous
+        // @group properties
+        // @description
+        // Returns whether the block is ominous or not.
+        // Currently supports Vault and Trial Spawner blocks.
+        // -->
+        PropertyParser.registerStaticTag(MaterialOminous.class, ElementTag.class, "is_ominous", (attribute, material) -> {
+            return new ElementTag(material.getOminous());
+        });
+    }
+
+    public boolean getOminous() {
+        if (material.getModernData() instanceof Vault) {
+            return ((Vault) material.getModernData()).isOminous();
+        } else if (material.getModernData() instanceof TrialSpawner) {
+            return ((TrialSpawner) material.getModernData()).isOminous();
+        }
+        return false;
+    }
+
+    public void setOminous(boolean ominous) {
+        if (material.getModernData() instanceof Vault vault) {
+            vault.setOminous(ominous);
+        } else if (material.getModernData() instanceof TrialSpawner spawner) {
+            spawner.setOminous(ominous);
+        }
+    }
+
+    @Override
+    public String getPropertyString() {
+        return String.valueOf(getOminous());
+    }
+
+    @Override
+    public String getPropertyId() {
+        return "ominous";
+    }
+
+    @Override
+    public void adjust(Mechanism mechanism) {
+
+        // <--[mechanism]
+        // @object MaterialTag
+        // @name ominous
+        // @input ElementTag(Boolean)
+        // @description
+        // Sets the ominousness of the block (trial spawner or vault).
+        // @tags
+        // <MaterialTag.is_ominous>
+        // -->
+        if (mechanism.matches("ominous") && mechanism.requireBoolean()) {
+            setOminous(mechanism.getValue().asBoolean());
+        }
+    }
+}
diff --git a/plugin/src/main/java/com/denizenscript/denizen/objects/properties/material/MaterialVaultState.java b/plugin/src/main/java/com/denizenscript/denizen/objects/properties/material/MaterialVaultState.java
new file mode 100644
index 0000000000..3aca5c6da2
--- /dev/null
+++ b/plugin/src/main/java/com/denizenscript/denizen/objects/properties/material/MaterialVaultState.java
@@ -0,0 +1,90 @@
+package com.denizenscript.denizen.objects.properties.material;
+
+import com.denizenscript.denizen.objects.MaterialTag;
+import com.denizenscript.denizencore.objects.Mechanism;
+import com.denizenscript.denizencore.objects.ObjectTag;
+import com.denizenscript.denizencore.objects.core.ElementTag;
+import com.denizenscript.denizencore.objects.properties.Property;
+import com.denizenscript.denizencore.objects.properties.PropertyParser;
+import org.bukkit.block.data.type.Vault;
+
+public class MaterialVaultState implements Property {
+
+    public static boolean describes(ObjectTag material) {
+        return material instanceof MaterialTag
+                && ((MaterialTag) material).hasModernData()
+                && ((MaterialTag) material).getModernData() instanceof Vault;
+    }
+
+    public static MaterialVaultState getFrom(ObjectTag _material) {
+        if (!describes(_material)) {
+            return null;
+        } else {
+            return new MaterialVaultState((MaterialTag) _material);
+        }
+    }
+
+    public static final String[] handledMechs = new String[]{
+            "state"
+    };
+
+    public MaterialVaultState(MaterialTag _material) {
+        material = _material;
+    }
+
+    MaterialTag material;
+
+    public static void register() {
+
+        // <--[tag]
+        // @attribute <MaterialTag.state>
+        // @returns ElementTag
+        // @mechanism MaterialTag.state
+        // @group properties
+        // @description
+        // Returns the current state of this vault block.
+        // -->
+        PropertyParser.registerStaticTag(MaterialVaultState.class, ElementTag.class, "state", (attribute, material) -> {
+            return material.getState();
+        });
+    }
+
+    public Vault getVault() {
+        return (Vault) material.getModernData();
+    }
+
+    public ElementTag getState() {
+        return new ElementTag(getVault().getVaultState());
+    }
+
+    @Override
+    public String getPropertyString() {
+        return getState().identify();
+    }
+
+    @Override
+    public String getPropertyId() {
+        return "state";
+    }
+
+    @Override
+    public void adjust(Mechanism mechanism) {
+
+        // <--[mechanism]
+        // @object MaterialTag
+        // @name state
+        // @input ElementTag
+        // @description
+        // Sets the vault block state.
+        // @tags
+        // <MaterialTag.state>
+        // -->
+        if (mechanism.matches("state")) {
+            if (mechanism.requireEnum(Vault.State.class)) {
+                getVault().setVaultState(Vault.State.valueOf(mechanism.getValue().asString().toUpperCase()));
+            } else {
+                mechanism.echoError("MaterialTag.State mechanism has bad input: vault state value '" + mechanism.getValue().asString() + "' is invalid.");
+            }
+        }
+    }
+}