this might actually work

src/main/kotlin/dev/zxq5/items/Witherite.kt

@@ -2,22 +2,23 @@ package dev.zxq5.items
 
 import dev.zxq5.Fantasysmp
 import dev.zxq5.items.ModItems.register
-import net.minecraft.network.chat.Component
+import net.minecraft.core.component.DataComponents
 import net.minecraft.resources.Identifier
 import net.minecraft.resources.ResourceKey
 import net.minecraft.sounds.SoundEvents
-import net.minecraft.sounds.SoundSource
 import net.minecraft.tags.ItemTags
+import net.minecraft.util.Unit
 import net.minecraft.world.InteractionHand
 import net.minecraft.world.InteractionResult
-import net.minecraft.world.entity.Entity
 import net.minecraft.world.entity.EntityType
 import net.minecraft.world.entity.player.Player
 import net.minecraft.world.entity.projectile.hurtingprojectile.WitherSkull
 import net.minecraft.world.item.Item
 import net.minecraft.world.item.ToolMaterial
+import net.minecraft.world.item.component.BlocksAttacks
 import net.minecraft.world.item.equipment.*
 import net.minecraft.world.level.Level
+import java.util.Optional
 
 
 object Witherite {
@@ -44,38 +45,62 @@ object Witherite {
         witherite_material_key,
     )
 
-    val WITHERITE_SWORD = register("witherite_sword", ::WitheriteSword,
-        Item.Properties().sword(ToolMaterial.NETHERITE, 3.0F, -2.4F)
+    val SHIELD = register("witherite_shield", ::Item,
+        Item.Properties().component(DataComponents.BLOCKS_ATTACKS, BlocksAttacks(
+            0.25f,                                    // 5 tick warmup
+            1.0f,                                     // standard disable cooldown
+            listOf(
+                BlocksAttacks.DamageReduction(
+                    90.0f,          // horizontalBlockingAngle — 90° arc each side (180° total, same as vanilla)
+                    Optional.empty(), // type — empty = blocks all damage types
+                    0.0f,           // base — flat damage reduction
+                    1.0f            // factor — multiplier (1.0 = block 100% of damage)
+                )
+            ),     // full block — check if this constant exists, else build the list manually
+            BlocksAttacks.ItemDamageFunction.DEFAULT,        // check for this constant too
+            Optional.empty(),                         // no bypass
+            Optional.empty(),                         // default block sound
+            Optional.empty()                          // default disable sound
+        ))
     )
-    val WITHERITE_HELMET = register(
+
+    val SWORD = register("witherite_sword", ::WitheriteSword,
+        Item.Properties().sword(ToolMaterial.NETHERITE, 3F, -2.4F)
+    )
+
+    val AXE = register("witherite_axe", ::Item,
+        Item.Properties().axe(ToolMaterial.NETHERITE, 5F, -3F))
+
+    val HELMET = register(
         "witherite_helmet",
         ::Item,
         Item.Properties().humanoidArmor(armorMaterial , ArmorType.HELMET)
             .durability(ArmorType.HELMET.getDurability(armorMaterial.durability))
     )
 
-    val WITHERITE_CHESTPLATE = register(
+    val CHESTPLATE = register(
         "witherite_chestplate",
         ::Item,
         Item.Properties().humanoidArmor(armorMaterial , ArmorType.CHESTPLATE)
             .durability(ArmorType.CHESTPLATE.getDurability(armorMaterial.durability))
     )
 
-    val WITHERITE_LEGGINGS = register(
+    val LEGGINGS = register(
         "witherite_leggings",
         ::Item,
         Item.Properties().humanoidArmor(armorMaterial , ArmorType.LEGGINGS)
             .durability(ArmorType.LEGGINGS.getDurability(armorMaterial.durability))
     )
 
-    val WITHERITE_BOOTS = register(
+    val BOOTS = register(
         "witherite_boots",
         ::Item,
         Item.Properties().humanoidArmor(armorMaterial , ArmorType.BOOTS)
             .durability(ArmorType.BOOTS.getDurability(armorMaterial.durability))
     )
 
-    val ITEMS = listOf(WITHERITE_SWORD, WITHERITE_HELMET, WITHERITE_CHESTPLATE, WITHERITE_LEGGINGS, WITHERITE_BOOTS)
+    val ITEMS = listOf(SWORD, AXE, SHIELD, HELMET, CHESTPLATE, LEGGINGS, BOOTS)
+    val ARMOUR_SET = ArmorSet(HELMET, CHESTPLATE, LEGGINGS, BOOTS)
 
     fun init() {}
 }
@@ -86,6 +111,8 @@ class WitheriteSword(properties: Properties) : Item(properties) {
             return InteractionResult.PASS;
         }
 
+        if (!user.isCrouching) return InteractionResult.PASS
+
         val skull = WitherSkull(EntityType.WITHER_SKULL, level)
         skull.setPos(user.eyePosition)
         skull.deltaMovement = user.lookAngle