diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/stats/Stat.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/stats/Stat.kt
index 0701a39..b7be814 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/stats/Stat.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoskills/stats/Stat.kt
@@ -19,7 +19,7 @@ abstract class Stat(
 
     val key: NamespacedKey
     val uuid: UUID
-    val config: Config
+    open val config: Config
     lateinit var name: String
 
     init {
diff --git a/eco-extensions/attackspeed/build.gradle b/eco-extensions/attackspeed/build.gradle
new file mode 100644
index 0000000..d7fde28
--- /dev/null
+++ b/eco-extensions/attackspeed/build.gradle
@@ -0,0 +1,7 @@
+group 'com.willfp'
+version '1.0.0'
+description = 'Attack Speed Extension'
+
+shadowJar {
+    archiveFileName = project.getDescription() + " v" + project.version + ".jar"
+}
\ No newline at end of file
diff --git a/eco-extensions/attackspeed/src/main/kotlin/com/willfp/ecoskills/attackspeed/AttackSpeedMain.kt b/eco-extensions/attackspeed/src/main/kotlin/com/willfp/ecoskills/attackspeed/AttackSpeedMain.kt
new file mode 100644
index 0000000..dbc7e2b
--- /dev/null
+++ b/eco-extensions/attackspeed/src/main/kotlin/com/willfp/ecoskills/attackspeed/AttackSpeedMain.kt
@@ -0,0 +1,14 @@
+package com.willfp.ecoskills.attackspeed
+
+import com.willfp.eco.core.EcoPlugin
+import com.willfp.eco.core.extensions.Extension
+
+class AttackSpeedMain(plugin: EcoPlugin) : Extension(plugin) {
+    override fun onEnable() {
+        // Do nothing
+    }
+
+    override fun onDisable() {
+        // Do nothing
+    }
+}
\ No newline at end of file
diff --git a/eco-extensions/attackspeed/src/main/kotlin/com/willfp/ecoskills/attackspeed/StatAttackSpeed.kt b/eco-extensions/attackspeed/src/main/kotlin/com/willfp/ecoskills/attackspeed/StatAttackSpeed.kt
new file mode 100644
index 0000000..fdad039
--- /dev/null
+++ b/eco-extensions/attackspeed/src/main/kotlin/com/willfp/ecoskills/attackspeed/StatAttackSpeed.kt
@@ -0,0 +1,27 @@
+package com.willfp.ecoskills.attackspeed
+
+import com.willfp.ecoskills.getStatLevel
+import com.willfp.ecoskills.stats.Stat
+import org.bukkit.attribute.Attribute
+import org.bukkit.attribute.AttributeModifier
+import org.bukkit.entity.Player
+
+class StatAttackSpeed : Stat(
+    "attack_speed"
+) {
+    override fun updateStatLevel(player: Player) {
+        val modifier = AttributeModifier(
+            this.uuid,
+            this.name,
+            (this.config.getDouble("percent-faster-per-level") * player.getStatLevel(this)) / 100.0,
+            AttributeModifier.Operation.MULTIPLY_SCALAR_1
+        )
+        val instance = player.getAttribute(Attribute.GENERIC_ATTACK_SPEED) ?: return
+        instance.removeModifier(modifier)
+
+        plugin.scheduler.run {
+            instance.removeModifier(modifier)
+            instance.addModifier(modifier)
+        }
+    }
+}
\ No newline at end of file
diff --git a/eco-extensions/attackspeed/src/main/resources/extension.yml b/eco-extensions/attackspeed/src/main/resources/extension.yml
new file mode 100644
index 0000000..a343cb0
--- /dev/null
+++ b/eco-extensions/attackspeed/src/main/resources/extension.yml
@@ -0,0 +1,4 @@
+name: Attack Speed
+main: com.willfp.ecoskills.attackspeed.AttackSpeedMain
+version: ${projectVersion}
+author: Auxilor
\ No newline at end of file
diff --git a/eco-extensions/build.gradle b/eco-extensions/build.gradle
new file mode 100644
index 0000000..e1cfea7
--- /dev/null
+++ b/eco-extensions/build.gradle
@@ -0,0 +1,15 @@
+group 'com.willfp'
+description = 'Extension Parent'
+
+subprojects {
+    dependencies {
+        compileOnly project(":eco-core:core-plugin")
+        compileOnly 'org.spigotmc:spigot-api:1.16.5-R0.1-SNAPSHOT'
+    }
+
+    tasks.withType(Jar) {
+        destinationDirectory = file("$rootDir/bin/")
+    }
+
+    tasks.jar.enabled = false
+}
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
index db25ec8..1b53d73 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -2,4 +2,8 @@ rootProject.name = 'EcoSkills'
 
 // Core
 include ':eco-core'
-include ':eco-core:core-plugin'
\ No newline at end of file
+include ':eco-core:core-plugin'
+
+// Extensions
+include ':eco-extensions'
+include ':eco-extensions:attackspeed'
\ No newline at end of file