diff --git a/src/client/java/com/bibireden/playerex/mixin/ItemStackMixin.java b/src/client/java/com/bibireden/playerex/mixin/ItemStackMixin.java
new file mode 100644
index 00000000..ed3bbe13
--- /dev/null
+++ b/src/client/java/com/bibireden/playerex/mixin/ItemStackMixin.java
@@ -0,0 +1,149 @@
+package com.bibireden.playerex.mixin;
+
+import com.bibireden.data_attributes.api.attribute.IEntityAttribute;
+import com.bibireden.data_attributes.api.item.ItemFields;
+import com.bibireden.playerex.PlayerEX;
+import com.bibireden.playerex.config.PlayerEXConfigModel;
+import com.google.common.collect.Multimap;
+import net.minecraft.client.item.TooltipContext;
+import net.minecraft.entity.EquipmentSlot;
+import net.minecraft.entity.attribute.EntityAttribute;
+import net.minecraft.entity.attribute.EntityAttributeInstance;
+import net.minecraft.entity.attribute.EntityAttributeModifier;
+import net.minecraft.entity.attribute.EntityAttributes;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemStack;
+import net.minecraft.text.MutableText;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+import org.jetbrains.annotations.Nullable;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.ModifyVariable;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+@Mixin(ItemStack.class)
+abstract class ItemStackMixin {
+    @Unique
+    private double playerex$modifyValue(double val, @Nullable PlayerEntity player, EntityAttribute attribute, UUID uuid) {
+        if (player == null || PlayerEX.CONFIG.getTooltip() == PlayerEXConfigModel.Tooltip.Default) return val;
+
+        double valSubBase = val - player.getAttributeBaseValue(attribute);
+
+        EntityAttributeInstance instance = player.getAttributeInstance(attribute);
+        if (instance == null) return val;
+
+        EntityAttributeModifier modifier = instance.getModifier(uuid);
+        double value = player.getAttributeValue(attribute) + valSubBase;
+
+        if (modifier != null) value -= modifier.getValue();
+
+        return PlayerEX.CONFIG.getTooltip() == PlayerEXConfigModel.Tooltip.PlayerEX ? valSubBase : value;
+    }
+
+    @Unique
+    private String playerex$value(double e, Map.Entry<EntityAttribute, EntityAttributeModifier> entry, EntityAttributeModifier modifier) {
+        if (modifier.getOperation() != EntityAttributeModifier.Operation.ADDITION) return ItemStack.MODIFIER_FORMAT.format(e);
+        return ItemStack.MODIFIER_FORMAT.format(e);
+    }
+
+    @ModifyVariable(method = "getTooltip", at = @At(value = "STORE", ordinal = 1), ordinal = 0)
+    private double playerex$modifyAttackDamage(double original, PlayerEntity player) {
+        return playerex$modifyValue(original, player, EntityAttributes.GENERIC_ATTACK_DAMAGE, ItemFields.attackDamageModifierID());
+    }
+
+    @ModifyVariable(method = "getTooltip", at = @At(value = "STORE", ordinal = 3), ordinal = 0)
+    private double playerex$modifyAttackSpeed(double original, PlayerEntity player) {
+        return playerex$modifyValue(original, player, EntityAttributes.GENERIC_ATTACK_SPEED, ItemFields.attackDamageModifierID());
+    }
+
+    @ModifyVariable(method = "getTooltip", at = @At(value = "STORE", ordinal = 1), ordinal = 0)
+    private boolean playerex$flagAttackDamage(boolean original) {
+        return PlayerEX.CONFIG.getTooltip() != PlayerEXConfigModel.Tooltip.PlayerEX && original;
+    }
+
+    @ModifyVariable(method = "getTooltip", at = @At(value = "STORE", ordinal = 2), ordinal = 0)
+    private boolean playerex$flagAttackSpeed(boolean original) {
+        return PlayerEX.CONFIG.getTooltip() != PlayerEXConfigModel.Tooltip.PlayerEX && original;
+    }
+
+    @ModifyVariable(method = "getTooltip", at = @At(value = "STORE", ordinal = 1), ordinal = 1)
+    private double playerex$modifyAdditionAttributeKnockback(double original) { return original / 10.0; }
+
+    // todo: not sure about the implementation(s) here...
+    @Inject(method = "getTooltip", at = @At(value = "INVOKE", target = "Ljava/util/List;add(Ljava/lang/Object;)Z", ordinal = 7, shift = At.Shift.AFTER), locals = LocalCapture.CAPTURE_FAILHARD)
+    private void playerex$insertModifierEqualsTooltip(
+        PlayerEntity player, TooltipContext context,
+        CallbackInfoReturnable<List<Text>> info,
+        List<Text> list,
+        MutableText arg3,
+        int arg4,
+        EquipmentSlot[] arg5,
+        int arg6,
+        int arg7,
+        EquipmentSlot arg8,
+        Multimap<?, ?> arg9,
+        Iterator<?> arg10,
+        Map.Entry<EntityAttribute, EntityAttributeModifier> entry,
+        EntityAttributeModifier entityAttributeModifier,
+        double arg13, double e
+    ) {
+        list.set(list.size() - 1, Text.literal(" ")
+            .append(Text.translatable("attribute.modifier.equals." + entityAttributeModifier.getOperation().getId(), playerex$value(e, entry, entityAttributeModifier), Text.translatable(entry.getKey().getTranslationKey())))
+            .formatted(Formatting.DARK_GREEN)
+        );
+    }
+
+    @Inject(method = "getTooltip", at = @At(value = "INVOKE", target = "Ljava/util/List;add(Ljava/lang/Object;)Z", ordinal = 8, shift = At.Shift.AFTER), locals = LocalCapture.CAPTURE_FAILHARD)
+    private void playerex$insertModifierPlusTooltip(
+        PlayerEntity player,
+        TooltipContext context,
+        CallbackInfoReturnable<List<Text>> info,
+        List<Text> list,
+        MutableText arg3,
+        int arg4,
+        EquipmentSlot[] arg5,
+        int arg6, int arg7, EquipmentSlot arg8, Multimap<?, ?> arg9, Iterator<?> arg10,
+        Map.Entry<EntityAttribute, EntityAttributeModifier> entry, EntityAttributeModifier entityAttributeModifier,
+        double arg13, double e
+    ) {
+        list.set(
+            list.size() - 1,
+            Text.translatable("attribute.modifier.plus." + entityAttributeModifier.getOperation().getId(),
+            playerex$value(e, entry, entityAttributeModifier),
+            Text.translatable(entry.getKey().getTranslationKey())).formatted(Formatting.BLUE)
+        );
+    }
+
+    @Inject(method = "getTooltip", at = @At(value = "INVOKE", target = "Ljava/util/List;add(Ljava/lang/Object;)Z", ordinal = 9, shift = At.Shift.AFTER), locals = LocalCapture.CAPTURE_FAILHARD)
+    private void playerex$insertModifierTakeTooltip(
+        PlayerEntity player, TooltipContext context,
+        CallbackInfoReturnable<List<Text>> info,
+        List<Text> list,
+        MutableText arg3,
+        int arg4,
+        EquipmentSlot[] arg5,
+        int arg6, int arg7,
+        EquipmentSlot arg8,
+        Multimap<?, ?> arg9,
+        Iterator<?> arg10,
+        Map.Entry<EntityAttribute, EntityAttributeModifier> entry,
+        EntityAttributeModifier entityAttributeModifier,
+        double arg13, double e
+    ) {
+        list.set(
+            list.size() - 1,
+            Text.translatable("attribute.modifier.take." + entityAttributeModifier.getOperation().getId(),
+            playerex$value(e, entry, entityAttributeModifier),
+            Text.translatable(entry.getKey().getTranslationKey())).formatted(Formatting.RED)
+        );
+    }
+}
diff --git a/src/client/resources/playerex.client.mixins.json b/src/client/resources/playerex.client.mixins.json
index 06fed022..8241c55d 100644
--- a/src/client/resources/playerex.client.mixins.json
+++ b/src/client/resources/playerex.client.mixins.json
@@ -7,5 +7,8 @@
     ],
     "injectors": {
         "defaultRequire": 1
-	}
+    },
+    "mixins": [
+        "ItemStackMixin"
+    ]
 }
\ No newline at end of file