diff --git a/src/main/java/net/kewwbec/minigames/volume/effect/SpawnItemEffect.java b/src/main/java/net/kewwbec/minigames/volume/effect/SpawnItemEffect.java
index d797393..f67e649 100644
--- a/src/main/java/net/kewwbec/minigames/volume/effect/SpawnItemEffect.java
+++ b/src/main/java/net/kewwbec/minigames/volume/effect/SpawnItemEffect.java
@@ -31,8 +31,8 @@ public final class SpawnItemEffect extends MinigameRuntimeEffect {
             .add()
             .<Integer>append(new KeyedCodec<>("Amount", Codec.INTEGER, false), (effect, value) -> effect.amount = value, effect -> effect.amount)
             .add()
-            .<Integer>append(
-                new KeyedCodec<>("RespawnDelaySeconds", Codec.INTEGER, false),
+            .<Double>append(
+                new KeyedCodec<>("RespawnDelaySeconds", Codec.DOUBLE, false),
                 (effect, value) -> effect.respawnDelaySeconds = value,
                 effect -> effect.respawnDelaySeconds
             )
@@ -51,7 +51,7 @@ public final class SpawnItemEffect extends MinigameRuntimeEffect {
 
     private String itemId = "";
     private int amount = 1;
-    private int respawnDelaySeconds = 0;
+    private double respawnDelaySeconds = 0.0D;
     private String spawnKey = "";
     private double offsetX = 0.0D;
     private double offsetY = 0.0D;
@@ -87,9 +87,9 @@ public final class SpawnItemEffect extends MinigameRuntimeEffect {
 
         if (active != null) {
             activeItems.remove(key);
-            int delay = Math.max(0, respawnDelaySeconds);
-            if (delay > 0 && !nextSpawnTimes.containsKey(key)) {
-                nextSpawnTimes.put(key, Instant.now().plus(Duration.ofSeconds(delay)));
+            Duration delay = respawnDelay();
+            if (!delay.isZero() && !nextSpawnTimes.containsKey(key)) {
+                nextSpawnTimes.put(key, Instant.now().plus(delay));
                 return;
             }
         }
@@ -128,9 +128,9 @@ public final class SpawnItemEffect extends MinigameRuntimeEffect {
         activeItems.put(key, ref);
         nextSpawnTimes.remove(key);
         if (ignoreRespawnTimer) {
-            int delay = Math.max(0, respawnDelaySeconds);
-            if (delay > 0) {
-                nextSpawnTimes.put(key, Instant.now().plus(Duration.ofSeconds(delay)));
+            Duration delay = respawnDelay();
+            if (!delay.isZero()) {
+                nextSpawnTimes.put(key, Instant.now().plus(delay));
             }
         }
         runtime(context).ifPresent(runtime -> {
@@ -142,6 +142,15 @@ public final class SpawnItemEffect extends MinigameRuntimeEffect {
         debugMessage(context, TYPE_ID, "FIRED spawned item='" + itemId + "' amount=" + Math.max(1, amount));
     }
 
+    @Nonnull
+    private Duration respawnDelay() {
+        double seconds = Math.max(0.0D, respawnDelaySeconds);
+        if (seconds <= 0.0D) {
+            return Duration.ZERO;
+        }
+        return Duration.ofNanos(Math.max(1L, Math.round(seconds * 1_000_000_000.0D)));
+    }
+
     @Nonnull
     private String key(@Nonnull TriggerContext context) {
         String configured = spawnKey != null ? spawnKey.trim() : "";
diff --git a/src/main/java/net/kewwbec/minigames/volume/effect/SpawnNpcEffect.java b/src/main/java/net/kewwbec/minigames/volume/effect/SpawnNpcEffect.java
index 7322456..0abbca1 100644
--- a/src/main/java/net/kewwbec/minigames/volume/effect/SpawnNpcEffect.java
+++ b/src/main/java/net/kewwbec/minigames/volume/effect/SpawnNpcEffect.java
@@ -29,8 +29,8 @@ public final class SpawnNpcEffect extends MinigameRuntimeEffect {
             .add()
             .<Integer>append(new KeyedCodec<>("Count", Codec.INTEGER, false), (effect, value) -> effect.count = value, effect -> effect.count)
             .add()
-            .<Integer>append(
-                new KeyedCodec<>("RespawnDelaySeconds", Codec.INTEGER, false),
+            .<Double>append(
+                new KeyedCodec<>("RespawnDelaySeconds", Codec.DOUBLE, false),
                 (effect, value) -> effect.respawnDelaySeconds = value,
                 effect -> effect.respawnDelaySeconds
             )
@@ -61,7 +61,7 @@ public final class SpawnNpcEffect extends MinigameRuntimeEffect {
 
     private String roleId = "";
     private int count = 1;
-    private int respawnDelaySeconds = 0;
+    private double respawnDelaySeconds = 0.0D;
     private String spawnKey = "";
     private double offsetX = 0.0D;
     private double offsetY = 0.0D;
@@ -100,9 +100,9 @@ public final class SpawnNpcEffect extends MinigameRuntimeEffect {
         }
 
         if (nextSpawn == null && activeNpcs.containsKey(key)) {
-            int delay = Math.max(0, respawnDelaySeconds);
-            if (delay > 0) {
-                nextSpawnTimes.put(key, Instant.now().plus(Duration.ofSeconds(delay)));
+            Duration delay = respawnDelay();
+            if (!delay.isZero()) {
+                nextSpawnTimes.put(key, Instant.now().plus(delay));
                 return;
             }
         }
@@ -199,6 +199,15 @@ public final class SpawnNpcEffect extends MinigameRuntimeEffect {
         return runtimeSegment + "|" + volumeId + "|" + (!configured.isBlank() ? configured : roleId);
     }
 
+    @Nonnull
+    private Duration respawnDelay() {
+        double seconds = Math.max(0.0D, respawnDelaySeconds);
+        if (seconds <= 0.0D) {
+            return Duration.ZERO;
+        }
+        return Duration.ofNanos(Math.max(1L, Math.round(seconds * 1_000_000_000.0D)));
+    }
+
     /** Drops state belonging to runtimes that no longer exist. */
     static void pruneStaleRuntimeKeys(Map<String, ?>... maps) {
         var services = services();
diff --git a/src/main/resources/Server/Languages/en-US/server.lang b/src/main/resources/Server/Languages/en-US/server.lang
index 986acd0..10209e8 100644
--- a/src/main/resources/Server/Languages/en-US/server.lang
+++ b/src/main/resources/Server/Languages/en-US/server.lang
@@ -27,7 +27,7 @@ customUI.triggerVolumeEffectEditor.field.common.MapId.tooltip = The map id to vo
 customUI.triggerVolumeEffectEditor.field.common.ItemId = Item
 customUI.triggerVolumeEffectEditor.field.common.ItemId.tooltip = The item asset id to spawn on the ground.
 customUI.triggerVolumeEffectEditor.field.common.RespawnDelaySeconds = Respawn Delay
-customUI.triggerVolumeEffectEditor.field.common.RespawnDelaySeconds.tooltip = Seconds to wait after the spawned item is picked up or despawns before spawning again.
+customUI.triggerVolumeEffectEditor.field.common.RespawnDelaySeconds.tooltip = Seconds to wait before spawning again. Decimals are supported, e.g. 0.5.
 customUI.triggerVolumeEffectEditor.field.common.SpawnKey = Spawn Key
 customUI.triggerVolumeEffectEditor.field.common.SpawnKey.tooltip = Optional unique id for this spawn point when one volume has multiple item spawners.
 customUI.triggerVolumeEffectEditor.field.common.OffsetX = Offset X
@@ -64,7 +64,7 @@ customUI.triggerVolumeEffectEditor.field.StartQueuedMinigame.MinigameId.tooltip
 customUI.triggerVolumeEffectEditor.field.SpawnItem.MinigameId.tooltip = Optional minigame runtime to associate this spawned pickup with.
 customUI.triggerVolumeEffectEditor.field.SpawnItem.ItemId.tooltip = The item asset id to spawn at this trigger volume.
 customUI.triggerVolumeEffectEditor.field.SpawnItem.Amount.tooltip = Number of items in the spawned stack.
-customUI.triggerVolumeEffectEditor.field.SpawnItem.RespawnDelaySeconds.tooltip = Seconds to wait before respawning after the previous item is picked up or despawns.
+customUI.triggerVolumeEffectEditor.field.SpawnItem.RespawnDelaySeconds.tooltip = Seconds to wait before respawning after the previous item is picked up or despawns. Decimals are supported.
 customUI.triggerVolumeEffectEditor.field.SpawnItem.SpawnKey.tooltip = Optional unique id for this item spawner.
 customUI.triggerVolumeEffectEditor.field.SpawnItem.OffsetX.tooltip = Spawn position offset on the X axis.
 customUI.triggerVolumeEffectEditor.field.SpawnItem.OffsetY.tooltip = Spawn position offset on the Y axis.
@@ -72,7 +72,7 @@ customUI.triggerVolumeEffectEditor.field.SpawnItem.OffsetZ.tooltip = Spawn posit
 customUI.triggerVolumeEffectEditor.field.SpawnNpc.MinigameId.tooltip = Optional minigame runtime to associate this spawned NPC with.
 customUI.triggerVolumeEffectEditor.field.SpawnNpc.RoleId.tooltip = The spawnable NPC role id to spawn.
 customUI.triggerVolumeEffectEditor.field.SpawnNpc.Count.tooltip = Number of NPCs to keep active for this spawn key.
-customUI.triggerVolumeEffectEditor.field.SpawnNpc.RespawnDelaySeconds.tooltip = Seconds to wait before respawning after all active NPCs for this spawn key are gone.
+customUI.triggerVolumeEffectEditor.field.SpawnNpc.RespawnDelaySeconds.tooltip = Seconds to wait before respawning after all active NPCs for this spawn key are gone. Decimals are supported.
 customUI.triggerVolumeEffectEditor.field.SpawnNpc.SpawnKey.tooltip = Optional unique id for this NPC spawner.
 customUI.triggerVolumeEffectEditor.field.SpawnNpc.OffsetX.tooltip = Spawn position offset on the X axis.
 customUI.triggerVolumeEffectEditor.field.SpawnNpc.OffsetY.tooltip = Spawn position offset on the Y axis.