diff --git a/src/main/java/at/hannibal2/skyhanni/config/features/combat/MobsConfig.java b/src/main/java/at/hannibal2/skyhanni/config/features/combat/MobsConfig.java
index f51076360dc2..fc46880fc538 100644
--- a/src/main/java/at/hannibal2/skyhanni/config/features/combat/MobsConfig.java
+++ b/src/main/java/at/hannibal2/skyhanni/config/features/combat/MobsConfig.java
@@ -89,6 +89,15 @@ public class MobsConfig {
     @FeatureToggle
     public boolean showArachneSpawnTimer = true;
 
+    @Expose
+    @ConfigOption(
+        name = "Arachne Kill Timer", desc = "Shows how long it took to kill Arachne after the fight ends. " +
+        "§cDoes not show if you were not in the Sanctuary when it spawned."
+    )
+    @ConfigEditorBoolean
+    @FeatureToggle
+    public boolean arachneKillTimer = true;
+
     @Expose
     @ConfigOption(name = "Enderman TP Hider", desc = "Stops the Enderman Teleportation animation.")
     @ConfigEditorBoolean
diff --git a/src/main/java/at/hannibal2/skyhanni/features/chat/ArachneChatMessageHider.kt b/src/main/java/at/hannibal2/skyhanni/features/chat/ArachneChatMessageHider.kt
index 5bf5b34489a1..846458456ad1 100644
--- a/src/main/java/at/hannibal2/skyhanni/features/chat/ArachneChatMessageHider.kt
+++ b/src/main/java/at/hannibal2/skyhanni/features/chat/ArachneChatMessageHider.kt
@@ -17,11 +17,11 @@ object ArachneChatMessageHider {
     private var hideArachneDeadMessage = false
 
     private val patternGroup = RepoPattern.group("chat.arachne")
-    private val arachneCallingPattern by patternGroup.pattern(
+    val arachneCallingPattern by patternGroup.pattern(
         "calling",
         "§4☄ §r.* §r§eplaced an §r§9Arachne's Calling§r§e!.*"
     )
-    private val arachneCrystalPattern by patternGroup.pattern(
+    val arachneCrystalPattern by patternGroup.pattern(
         "crystal",
         "§4☄ §r.* §r§eplaced an Arachne Crystal! Something is awakening!"
     )
diff --git a/src/main/java/at/hannibal2/skyhanni/features/combat/mobs/ArachneKillTimer.kt b/src/main/java/at/hannibal2/skyhanni/features/combat/mobs/ArachneKillTimer.kt
new file mode 100644
index 000000000000..d4980ec506f4
--- /dev/null
+++ b/src/main/java/at/hannibal2/skyhanni/features/combat/mobs/ArachneKillTimer.kt
@@ -0,0 +1,88 @@
+package at.hannibal2.skyhanni.features.combat.mobs
+
+import at.hannibal2.skyhanni.SkyHanniMod
+import at.hannibal2.skyhanni.data.IslandType
+import at.hannibal2.skyhanni.events.LorenzChatEvent
+import at.hannibal2.skyhanni.events.LorenzWorldChangeEvent
+import at.hannibal2.skyhanni.features.chat.ArachneChatMessageHider
+import at.hannibal2.skyhanni.skyhannimodule.SkyHanniModule
+import at.hannibal2.skyhanni.utils.ChatUtils
+import at.hannibal2.skyhanni.utils.LorenzUtils.isInIsland
+import at.hannibal2.skyhanni.utils.RegexUtils.matches
+import at.hannibal2.skyhanni.utils.SimpleTimeMark
+import at.hannibal2.skyhanni.utils.TimeUtils.format
+import at.hannibal2.skyhanni.utils.repopatterns.RepoPattern
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import kotlin.time.Duration
+
+@SkyHanniModule
+object ArachneKillTimer {
+
+    private val config get() = SkyHanniMod.feature.combat.mobs
+
+    private val patternGroup = RepoPattern.group("chat.arachne")
+
+    /**
+     * REGEX-TEST: §c[BOSS] Arachne§r§f: A befitting welcome!
+     */
+    private val arachneCallingSpawnedPattern by patternGroup.pattern(
+        "calling.spawned",
+        "§c\\[BOSS] Arachne§r§f: A befitting welcome!"
+    )
+    /**
+     * REGEX-TEST: §c[BOSS] Arachne§r§f: With your sacrifice.
+     */
+    private val arachneCrystalSpawnedPattern by patternGroup.pattern(
+        "crystal.spawned",
+        "§c\\[BOSS] Arachne§r§f: With your sacrifice."
+    )
+    /**
+     * REGEX-TEST: §f                              §r§6§lARACHNE DOWN!
+     */
+    private val arachneDeathPattern by patternGroup.pattern(
+        "dead",
+        "§f.*§r§6§lARACHNE DOWN!"
+    )
+    /**
+     * REGEX-TEST: §f                 §r§eYour Damage: §r§a1,155,000 §r§7(Position #1)
+     */
+    private val arachneDamagePattern by patternGroup.pattern(
+        "damage",
+        "§f +§r§eYour Damage: §r§a[0-9,]+ §r§7\\(Position #[0-9,]+\\)"
+    )
+
+    private var arachneSpawnedTime = SimpleTimeMark.farPast()
+    private var arachneKillTime = Duration.ZERO
+
+    @SubscribeEvent
+    fun onChat(event: LorenzChatEvent) {
+        if (!isEnabled()) return
+        if (arachneCallingSpawnedPattern.matches(event.message) || arachneCrystalSpawnedPattern.matches(event.message)) {
+            arachneSpawnedTime = SimpleTimeMark.now()
+        }
+
+        if (arachneDeathPattern.matches(event.message) && arachneSpawnedTime != SimpleTimeMark.farPast()) {
+            arachneKillTime = arachneSpawnedTime.passedSince()
+        }
+
+        if (ArachneChatMessageHider.arachneCallingPattern.matches(event.message) ||
+            ArachneChatMessageHider.arachneCrystalPattern.matches(event.message)
+        ) {
+            arachneSpawnedTime = SimpleTimeMark.farPast()
+        }
+
+        if (arachneKillTime.isPositive() && arachneDamagePattern.matches(event.message)) {
+            val format = arachneKillTime.format(showMilliSeconds = true)
+            ChatUtils.chat("                   §eArachne took §b$format§e seconds to kill.", prefix = false)
+            arachneKillTime = Duration.ZERO
+            arachneSpawnedTime = SimpleTimeMark.farPast()
+        }
+    }
+
+    @SubscribeEvent
+    fun onWorldChange(event: LorenzWorldChangeEvent) {
+        arachneSpawnedTime = SimpleTimeMark.farPast()
+    }
+
+    fun isEnabled() = IslandType.SPIDER_DEN.isInIsland() && config.arachneKillTimer
+}