Added guardian talisman

eco-core/core-plugin/src/main/java/com/willfp/talismans/talismans/talismans/GuardianTalisman.java

@@ -0,0 +1,30 @@
+package com.willfp.talismans.talismans.talismans;
+
+import com.willfp.talismans.talismans.Talisman;
+import com.willfp.talismans.talismans.TalismanLevel;
+import com.willfp.talismans.talismans.Talismans;
+import org.bukkit.entity.ElderGuardian;
+import org.bukkit.entity.Guardian;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.Zombie;
+import org.bukkit.event.entity.EntityDamageEvent;
+import org.jetbrains.annotations.NotNull;
+
+public class GuardianTalisman extends Talisman {
+    public GuardianTalisman() {
+    super("guardian");
+    }
+
+    @Override
+    public void onAnyAttack(@NotNull final TalismanLevel level,
+                            @NotNull final Player attacker,
+                            @NotNull final LivingEntity victim,
+                            @NotNull final EntityDamageEvent event) {
+        if (!(victim instanceof Guardian)) {
+            return;
+        }
+
+        event.setDamage(event.getDamage() * (1 + (level.getConfig().getDouble(Talismans.CONFIG_LOCATION + "percent-more-damage")) / 100));
+    }
+}

eco-core/core-plugin/src/main/resources/talismans/guardian.yml

@@ -0,0 +1,30 @@
+enabled: true
+disabled-in-worlds: [ ]
+
+levels:
+  1:
+    name: "&aGuardian Talisman"
+    description: Deal 10% more damage to guardians.
+
+    obtaining:
+      craftable: true
+      recipe:
+        - prismarine_shard
+        - prismarine_crystals
+        - prismarine_shard
+
+        - prismarine_crystals
+        - ecoitems:talisman_core_1 ? ender_eye
+        - prismarine_crystals
+
+        - prismarine_shard
+        - prismarine_crystals
+        - prismarine_shard
+
+    general-config:
+      material: player_head
+      texture: eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYTBiZjM0YTcxZTc3MTViNmJhNTJkNWRkMWJhZTVjYjg1Zjc3M2RjOWIwZDQ1N2I0YmZjNWY5ZGQzY2M3Yzk0In19fQ==
+      custom-model-data: -1
+
+    config:
+      percent-more-damage: 10