diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java
index 58f0942de2..8cc18aa550 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/slayer/SlayerPlugin.java
@@ -520,12 +520,12 @@ public class SlayerPlugin extends Plugin
 		log.debug("Slayer xp change delta: {}, killed npcs: {}", delta, taggedNpcsDiedPrevTick);
 
 		final Task task = Task.getTask(taskName);
-		if (task != null && task.getExpectedKillExp() > 0)
+		if (task != null && task.getMinimumKillXp() > 0)
 		{
-			// Only decrement a kill if the xp drop matches the expected drop. This is just for Tzhaar tasks.
-			if (task.getExpectedKillExp() == delta)
+			// Only decrement a kill if the xp drop is above the minimum threshold. This is for Tzhaar and Sire tasks.
+			if (delta >= task.getMinimumKillXp())
 			{
-				killed(1);
+				killed(max(taggedNpcsDiedPrevTick, 1));
 			}
 		}
 		else
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/slayer/Task.java b/runelite-client/src/main/java/net/runelite/client/plugins/slayer/Task.java
index 29867dc042..bb90740f61 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/slayer/Task.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/slayer/Task.java
@@ -39,8 +39,12 @@ enum Task
 {
 	//<editor-fold desc="Enums">
 	ABERRANT_SPECTRES("Aberrant spectres", ItemID.ABERRANT_SPECTRE, "Spectre"),
-	ABYSSAL_DEMONS("Abyssal demons", ItemID.ABYSSAL_DEMON),
-	ABYSSAL_SIRE("Abyssal Sire", ItemID.ABYSSAL_ORPHAN),
+	// Abyssal demon - 150 xp
+	// Greater abyssal demon - 4200 xp
+	// Abyssal sire - 450 xp
+	// Use 51 for minimum xp to avoid a kill triggering from killing the sire vents
+	ABYSSAL_DEMONS("Abyssal demons", ItemID.ABYSSAL_DEMON, 51),
+	ABYSSAL_SIRE("Abyssal Sire", ItemID.ABYSSAL_ORPHAN, 51),
 	ADAMANT_DRAGONS("Adamant dragons", ItemID.ADAMANT_DRAGON_MASK),
 	ALCHEMICAL_HYDRA("Alchemical Hydra", ItemID.IKKLE_HYDRA),
 	ANKOU("Ankou", ItemID.ANKOU_MASK),
@@ -238,7 +242,7 @@ enum Task
 	private final String[] targetNames;
 	private final int weaknessThreshold;
 	private final int weaknessItem;
-	private final int expectedKillExp;
+	private final int minimumKillXp;
 
 	static
 	{
@@ -260,7 +264,7 @@ enum Task
 		this.weaknessThreshold = -1;
 		this.weaknessItem = -1;
 		this.targetNames = targetNames;
-		this.expectedKillExp = 0;
+		this.minimumKillXp = 0;
 	}
 
 	Task(String name, int itemSpriteId, int weaknessThreshold, int weaknessItem, String... targetNames)
@@ -271,10 +275,10 @@ enum Task
 		this.weaknessThreshold = weaknessThreshold;
 		this.weaknessItem = weaknessItem;
 		this.targetNames = targetNames;
-		this.expectedKillExp = 0;
+		this.minimumKillXp = 0;
 	}
 
-	Task(String name, int itemSpriteId, int expectedKillExp)
+	Task(String name, int itemSpriteId, int minimumKillXp)
 	{
 		Preconditions.checkArgument(itemSpriteId >= 0);
 		this.name = name;
@@ -282,7 +286,7 @@ enum Task
 		this.weaknessThreshold = -1;
 		this.weaknessItem = -1;
 		this.targetNames = new String[0];
-		this.expectedKillExp = expectedKillExp;
+		this.minimumKillXp = minimumKillXp;
 	}
 
 	@Nullable