diff --git a/Buffs/WarriorAmbitionBuff.cs b/Buffs/WarriorAmbitionBuff.cs
new file mode 100644
index 0000000..1e54de7
--- /dev/null
+++ b/Buffs/WarriorAmbitionBuff.cs
@@ -0,0 +1,31 @@
+using Terraria;
+using Terraria.Localization;
+using Terraria.ModLoader;
+
+namespace YHTMod.Buffs;
+
+public class WarriorAmbitionBuff : ModBuff {
+    public override void SetStaticDefaults() {
+        Main.buffNoSave[Type] = true;
+        Main.buffNoTimeDisplay[Type] = true;
+    }
+
+    public override void ModifyBuffText(ref string buffName, ref string tip, ref int rare) {
+        YhtPlayer modPlayer = Main.LocalPlayer.TryGetModPlayer(out YhtPlayer mp) ? mp : null;
+        if (modPlayer == null) return;
+        tip = Language.GetTextValue("Mods.YHTMod.Buffs.WarriorAmbitionBuff.Description",
+            modPlayer.WarriorAmbitions.Count);
+    }
+
+    public override void Update(Player player, ref int buffIndex) {
+        YhtPlayer modPlayer = player.GetModPlayer<YhtPlayer>();
+
+        if (modPlayer.WarriorAmbition) {
+            player.buffTime[buffIndex] = 18000;
+        }
+        else {
+            player.DelBuff(buffIndex);
+            buffIndex--;
+        }
+    }
+}
diff --git a/Buffs/WarriorAmbitionBuff.png b/Buffs/WarriorAmbitionBuff.png
new file mode 100644
index 0000000..3677bec
Binary files /dev/null and b/Buffs/WarriorAmbitionBuff.png differ
diff --git a/Changes/BossKillListener.cs b/Changes/BossKillListener.cs
index ff52c40..e43d4b1 100644
--- a/Changes/BossKillListener.cs
+++ b/Changes/BossKillListener.cs
@@ -83,6 +83,12 @@ public class BossKillListener : GlobalNPC {
                     Color.MediumPurple,
                     player.whoAmI
                 );
+            } else if (modPlayer.WarriorAmbition && modPlayer.WarriorAmbitions.Add(bossKey)) {
+                ChatHelper.SendChatMessageToClient(
+                    NetworkText.FromLiteral("Your Warrior Ambition's potential grows stronger!"),
+                    Color.OrangeRed,
+                    player.whoAmI
+                );
             }
         }
     }
diff --git a/Items/SummonersAmbition.cs b/Items/SummonersAmbition.cs
index 7252c8b..d322ea4 100644
--- a/Items/SummonersAmbition.cs
+++ b/Items/SummonersAmbition.cs
@@ -25,6 +25,11 @@ public class SummonersAmbition : ModItem {
         Item.noUseGraphic = true;
         ItemID.Sets.ShimmerTransformToItem[Type] = 0;
     }
+    
+    public override bool CanAccessoryBeEquippedWith(Item equippedItem, Item incomingItem, Player player) {
+        YhtPlayer modPlayer = player.GetModPlayer<YhtPlayer>();
+        return !modPlayer.hasAmbitionEquipped() && base.CanAccessoryBeEquippedWith(equippedItem, incomingItem, player);
+    }
 
     public override void UpdateAccessory(Player player, bool hideVisual) {
         YhtPlayer modPlayer = player.GetModPlayer<YhtPlayer>();
diff --git a/Items/WarriorsAmbition.cs b/Items/WarriorsAmbition.cs
new file mode 100644
index 0000000..c645566
--- /dev/null
+++ b/Items/WarriorsAmbition.cs
@@ -0,0 +1,151 @@
+using System.Collections.Generic;
+using System.Linq;
+using Terraria;
+using Terraria.GameContent.Creative;
+using Terraria.ID;
+using Terraria.Localization;
+using Terraria.ModLoader;
+using YHTMod.Changes;
+
+namespace YHTMod.Items;
+
+public class WarriorsAmbition : ModItem {
+    public override void SetStaticDefaults() {
+        CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[Type] = 1;
+    }
+
+    public override LocalizedText Tooltip => Language.GetText("");
+
+    public override void SetDefaults() {
+        Item.width = 32;
+        Item.height = 32;
+        Item.accessory = true;
+        Item.rare = ItemRarityID.White;
+        Item.noMelee = true;
+        Item.noUseGraphic = true;
+        ItemID.Sets.ShimmerTransformToItem[Type] = 0;
+    }
+
+    public override bool CanAccessoryBeEquippedWith(Item equippedItem, Item incomingItem, Player player) {
+        YhtPlayer modPlayer = player.GetModPlayer<YhtPlayer>();
+        return !modPlayer.hasAmbitionEquipped() && base.CanAccessoryBeEquippedWith(equippedItem, incomingItem, player);
+    }
+
+    public override void UpdateAccessory(Player player, bool hideVisual) {
+        YhtPlayer modPlayer = player.GetModPlayer<YhtPlayer>();
+        modPlayer.SummonerAmbition = true;
+    }
+
+    public override void ModifyTooltips(List<TooltipLine> tooltips) {
+        YhtPlayer player = Main.LocalPlayer.GetModPlayer<YhtPlayer>();
+        tooltips.Add(new TooltipLine(Mod, "WarriorsAmbition",
+            Language.GetTextValue("Mods.YHTMod.Items.WarriorAmbition.Tooltip")));
+
+        if (player.SummonerAmbitions.Contains("king_slime")) {
+            float bonus = 5f;
+            if (ModLoader.HasMod("CalamityMod")) {
+                bonus = 2.5f;
+            }
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionKingSlime",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.KingSlime", bonus)));
+        }
+
+        if (ModLoader.HasMod("CalamityMod") && player.WarriorAmbitions.Contains("desert_scourge")) {
+            int id = CalamityHelper.GetBossIconId("desert_scourge");
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionDesertScourge",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.DesertScourge", "[i:" + id + "]")));
+        }
+
+        if (player.WarriorAmbitions.Contains("eye_of_cthulhu")) {
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionEyeOfCthulhu",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.EyeOfCthulhu")));
+        }
+
+        if (ModLoader.HasMod("CalamityMod") && player.WarriorAmbitions.Contains("crabulon")) {
+            int id = CalamityHelper.GetBossIconId("crabulon");
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionCrabulon",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.Crabulon", "[i:" + id + "]")));
+        }
+
+        if (player.WarriorAmbitions.Contains("deerclops")) {
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionDeerclops",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.Deerclops")));
+        }
+
+        if (player.WarriorAmbitions.Contains("eater_of_worlds")) {
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionEaterOfWorlds",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.EaterOfWorlds")));
+        }
+
+        if (player.WarriorAmbitions.Contains("brain_of_cthulhu")) {
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionBrainOfCthulhu",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.BrainOfCthulhu")));
+        }
+
+        if (ModLoader.HasMod("CalamityMod") && player.WarriorAmbitions.Contains("perforators")) {
+            int id = CalamityHelper.GetBossIconId("perforators");
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionPerforators",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.Perforators", "[i:" + id + "]")));
+        }
+
+        if (ModLoader.HasMod("CalamityMod") && player.WarriorAmbitions.Contains("hive_mind")) {
+            int id = CalamityHelper.GetBossIconId("hive_mind");
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionHiveMind",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.HiveMind", "[i:" + id + "]")));
+        }
+
+        if (player.WarriorAmbitions.Contains("queen_bee")) {
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionQueenBee",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.QueenBee")));
+        }
+
+        if (player.WarriorAmbitions.Contains("skeletron")) {
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionSkeletron",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.Skeletron")));
+        }
+
+        if (player.WarriorAmbitions.Contains("wall_of_flesh")) {
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionWallOfFlesh",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.WallOfFlesh")));
+        }
+
+        if (ModLoader.HasMod("CalamityMod") && player.WarriorAmbitions.Contains("slime_god")) {
+            int id = CalamityHelper.GetBossIconId("slime_god");
+            tooltips.Add(new TooltipLine(Mod, "WarriorAmbitionSlimeGod",
+                Language.GetTextValue("Mods.YHTMod.Items.WarriorsAmbition.SlimeGod", "[i:" + id + "]")));
+        }
+    }
+
+    public override void AddRecipes() {
+        
+    }
+
+    private static bool IsPreHardmodeRealized(Player player) {
+        YhtPlayer modPlayer = player.GetModPlayer<YhtPlayer>();
+        
+        HashSet<string> bossesToCheck = [
+            "king_slime",
+            "eye_of_cthulhu",
+            "deerclops",
+            "queen_bee",
+            "skeletron",
+            "wall_of_flesh"
+        ];
+
+        if (!modPlayer.WarriorAmbitions.Contains("eater_of_worlds") && !modPlayer.WarriorAmbitions.Contains("brain_of_cthulhu")) {
+            return false;
+        }
+
+        if (ModLoader.HasMod("CalamityMod")) {
+            bossesToCheck.Add("desert_scourge");
+            bossesToCheck.Add("crabulon");
+            bossesToCheck.Add("slime_god");
+
+            if (!modPlayer.WarriorAmbitions.Contains("perforators") && !modPlayer.WarriorAmbitions.Contains("hive_mind")) {
+                return false;
+            }
+        }
+
+        return bossesToCheck.All(boss => modPlayer.WarriorAmbitions.Contains(boss));
+    }
+}
diff --git a/Items/WarriorsAmbition.png b/Items/WarriorsAmbition.png
new file mode 100644
index 0000000..8e27abd
Binary files /dev/null and b/Items/WarriorsAmbition.png differ
diff --git a/Localization/en-US_Mods.YHTMod.hjson b/Localization/en-US_Mods.YHTMod.hjson
index 6cab375..04cc4a5 100644
--- a/Localization/en-US_Mods.YHTMod.hjson
+++ b/Localization/en-US_Mods.YHTMod.hjson
@@ -27,6 +27,16 @@ Buffs: {
 			And smell like mushrooms.
 			'''
 	}
+
+	WarriorAmbitionBuff: {
+	    DisplayName: Warrior's Ambition
+		Description:
+        			'''
+        			Your power grows with your ambition
+        
+        			Essences absorbed: {0}
+        			'''
+	}
 }
 
 Items: {
@@ -97,6 +107,30 @@ Items: {
 		SlimeGod: "{0} 10% increased whip size"
 		PreHardmodeRealized: Fully realized. Seek greater heights.
 	}
+
+	WarriorsAmbition: {
+	    DisplayName: Warriors Ambition
+	    Tooltip:
+        	'''
+        	Grants Warrior's Ambition.
+        	"For those who wish to face enemy head on."
+        	{0} defense
+        	'''
+        KingSlime: "[i:560] {0}% increased true melee weapon size"
+        DesertScourge: "{0} Increases maximum life by 10"
+        EyeOfCthulhu: "[i:43] Increases melee damage by 10%"
+        Crabulon: "{0} Enemies struck by whips glow slightly"
+        EaterOfWorlds: "[i:70] Melee damage penetrates 5 armor"
+        BrainOfCthulhu: "[i:1331] 5% increased true melee damage"
+        HiveMind: "{0} defense"
+        Perforators: "{0} defense"
+        QueenBee: "[i:1133] Damaging debuffs expire 5% faster on you"
+        Deerclops: "[i:5120] Melee hits can throw debris"
+        Skeletron: "[i:4801] Increases melee knockback"
+        WallOfFlesh: "[i:267] +5 defense"
+        SlimeGod: "{0} 2.5% increased true melee weapon size"
+        PreHardmodeRealized: Fully realized. Seek greater heights.
+	}
 }
 
 Projectiles: {
diff --git a/YhtPlayer.cs b/YhtPlayer.cs
index bd63f0f..0845082 100644
--- a/YhtPlayer.cs
+++ b/YhtPlayer.cs
@@ -15,11 +15,13 @@ public class YhtPlayer : ModPlayer {
 
 
     public bool SummonerAmbition = false;
+    public bool WarriorAmbition = false;
 
     /**
      * Set of boss and event ids for unlocking perks from Summoner's Ambition accessory
      */
     public HashSet<string> SummonerAmbitions = [];
+    public HashSet<string> WarriorAmbitions = [];
 
     public override void PreUpdate() {
         KatanaTeleportCooldown = Math.Max(KatanaTeleportCooldown - 1, 0);
@@ -61,23 +63,39 @@ public class YhtPlayer : ModPlayer {
                 Player.whipRangeMultiplier += 0.1f;
             }
         }
+        if (WarriorAmbition) {
+            Player.AddBuff(ModContent.BuffType<WarriorAmbitionBuff>(), 1);
+        }
+    }
+
+    public bool hasAmbitionEquipped() {
+        if (SummonerAmbition) return true;
+        if (WarriorAmbition) return true;
+        return false;
     }
 
     public override void ResetEffects() {
         ArcaneMissile = 0;
         SummonerAmbition = false;
+        WarriorAmbition = false;
 
         base.ResetEffects();
     }
 
     public override void SaveData(TagCompound tag) {
         tag["summonerAmbitions"] = new List<string>(SummonerAmbitions);
+        tag["warriorAmbitions"] = new List<string>(WarriorAmbitions);
     }
 
     public override void LoadData(TagCompound tag) {
-        if (!tag.ContainsKey("summonerAmbitions")) return;
-        IList<string> list = tag.GetList<string>("summonerAmbitions");
-        SummonerAmbitions = new HashSet<string>(list);
+        if (tag.ContainsKey("summonerAmbitions")) {
+            IList<string> list = tag.GetList<string>("summonerAmbitions");
+            SummonerAmbitions = new HashSet<string>(list);
+        }
+        if (tag.ContainsKey("warriorAmbitions")) {
+            IList<string> warriorList = tag.GetList<string>("warriorAmbitions");
+            WarriorAmbitions = new HashSet<string>(warriorList);
+        }
     }
 
     public int GetSummonersAmbitionMinionBonus() {
@@ -88,4 +106,14 @@ public class YhtPlayer : ModPlayer {
 
         return amount;
     }
+
+    public int GetWarriorsAmbitionDefenseBonus() {
+        int amount = 2;
+        
+        if (WarriorAmbitions.Contains("wall_of_flesh")) {
+            amount += 5;
+        }
+
+        return amount;
+    }
 }