diff --git a/src/main/java/net/Indyuce/mmocore/skill/Backstab.java b/src/main/java/net/Indyuce/mmocore/skill/Backstab.java
new file mode 100644
index 00000000..f4a20817
--- /dev/null
+++ b/src/main/java/net/Indyuce/mmocore/skill/Backstab.java
@@ -0,0 +1,43 @@
+package net.Indyuce.mmocore.skill;
+
+import org.bukkit.Material;
+import org.bukkit.Particle;
+import org.bukkit.Sound;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.EventHandler;
+
+import net.Indyuce.mmocore.api.player.PlayerData;
+import net.Indyuce.mmocore.api.skill.Skill;
+import net.Indyuce.mmocore.api.skill.SkillResult;
+import net.Indyuce.mmocore.api.util.math.formula.LinearValue;
+import net.mmogroup.mmolib.api.event.PlayerAttackEvent;
+
+public class Backstab extends Skill {
+	public Backstab() {
+		super();
+		setMaterial(Material.FLINT);
+		setLore("Backstabs deal &c{extra}%&7 damage.", "", "&9Costs {mana} {mana_name}");
+		setPassive();
+
+		addModifier("cooldown", new LinearValue(0, 0));
+		addModifier("mana", new LinearValue(8, 1));
+		addModifier("extra", new LinearValue(50, 20));
+	}
+
+	@EventHandler
+	public void a(PlayerAttackEvent event) {
+		PlayerData data = event.getData().getMMOCore();
+		LivingEntity target = (LivingEntity) event.getEntity();
+		if (!event.isWeapon() || data.isInCombat() || event.getPlayer().getEyeLocation().getDirection().angle(target.getEyeLocation().getDirection()) > Math.PI / 6 || !data.getProfess().hasSkill(this))
+			return;
+
+		SkillResult cast = data.cast(this);
+		if (!cast.isSuccessful())
+			return;
+
+		data.cast(cast.getInfo());
+		event.getAttack().multiplyDamage(1 + cast.getModifier("extra") / 100);
+		target.getWorld().spawnParticle(Particle.CRIT, target.getLocation().add(0, target.getHeight() / 2, 0), 32, 0, 0, 0, .05);
+		target.getWorld().playSound(target.getLocation(), Sound.ENTITY_ENDERMAN_HURT, 1, 1.5f);
+	}
+}