diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_3to1_20_5/rewriter/EntityPacketRewriter1_20_5.java b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_3to1_20_5/rewriter/EntityPacketRewriter1_20_5.java
index bcf2062e..209699a1 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_3to1_20_5/rewriter/EntityPacketRewriter1_20_5.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_20_3to1_20_5/rewriter/EntityPacketRewriter1_20_5.java
@@ -68,7 +68,7 @@ public final class EntityPacketRewriter1_20_5 extends EntityRewriter<Clientbound
 
                 wrapper.write(Type.BYTE, slot);
                 protocol.getItemRewriter().handleItemToClient(wrapper.passthrough(Type.ITEM1_20_2));
-            } while ((slot & -128) != 0);
+            } while (slot < 0);
         });
 
         protocol.registerClientbound(ClientboundConfigurationPackets1_20_5.REGISTRY_DATA, new PacketHandlers() {
@@ -171,7 +171,7 @@ public final class EntityPacketRewriter1_20_5 extends EntityRewriter<Clientbound
             wrapper.passthrough(Type.VAR_INT); // Effect ID
 
             final int amplifier = wrapper.read(Type.VAR_INT);
-            wrapper.write(Type.BYTE, (byte) MathUtil.clamp(amplifier, 0, 127));
+            wrapper.write(Type.BYTE, (byte) MathUtil.clamp(amplifier, Byte.MIN_VALUE, Byte.MAX_VALUE));
 
             wrapper.passthrough(Type.VAR_INT); // Duration
             wrapper.passthrough(Type.BYTE); // Flags
@@ -254,7 +254,7 @@ public final class EntityPacketRewriter1_20_5 extends EntityRewriter<Clientbound
         mapTypes();
 
         mapEntityTypeWithData(EntityTypes1_20_5.ARMADILLO, EntityTypes1_20_5.COW).tagName();
-        mapEntityTypeWithData(EntityTypes1_20_5.BREEZE_WIND_CHARGE, EntityTypes1_20_5.WIND_CHARGE).jsonName();
+        mapEntityTypeWithData(EntityTypes1_20_5.BREEZE_WIND_CHARGE, EntityTypes1_20_5.WIND_CHARGE);
     }
 
     @Override
diff --git a/template/src/main/java/com/viaversion/viabackwards/template/protocol/Protocol1_98To1_99.java b/template/src/main/java/com/viaversion/viabackwards/template/protocol/Protocol1_98To1_99.java
index 6281c1b7..7e2f4791 100644
--- a/template/src/main/java/com/viaversion/viabackwards/template/protocol/Protocol1_98To1_99.java
+++ b/template/src/main/java/com/viaversion/viabackwards/template/protocol/Protocol1_98To1_99.java
@@ -70,6 +70,7 @@ public final class Protocol1_98To1_99 extends BackwardsProtocol<ClientboundPacke
         soundRewriter.registerStopSound(ClientboundPackets1_20_5.STOP_SOUND);
 
         new StatisticsRewriter<>(this).register(ClientboundPackets1_20_5.STATISTICS);
+        new AttributeRewriter<>(this).register1_20_5(ClientboundPackets1_20_5.ENTITY_PROPERTIES);
 
         // Registers translatable mappings (missing a whole bunch still)
         //translatableRewriter.registerOpenWindow(ClientboundPackets1_20_5.OPEN_WINDOW); // Handled by registerOpenWindow in item rewriters
@@ -83,8 +84,6 @@ public final class Protocol1_98To1_99 extends BackwardsProtocol<ClientboundPacke
         translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.SYSTEM_CHAT);
         translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.DISGUISED_CHAT);
         translatableRewriter.registerPing();
-
-        // TODO Attributes
     }
 
     @Override
diff --git a/template/src/main/java/com/viaversion/viabackwards/template/protocol/rewriter/BlockItemPacketRewriter1_99.java b/template/src/main/java/com/viaversion/viabackwards/template/protocol/rewriter/BlockItemPacketRewriter1_99.java
index 112d5659..0d8a88c1 100644
--- a/template/src/main/java/com/viaversion/viabackwards/template/protocol/rewriter/BlockItemPacketRewriter1_99.java
+++ b/template/src/main/java/com/viaversion/viabackwards/template/protocol/rewriter/BlockItemPacketRewriter1_99.java
@@ -21,7 +21,7 @@ import com.viaversion.viabackwards.api.rewriters.ItemRewriter;
 import com.viaversion.viabackwards.template.protocol.Protocol1_98To1_99;
 import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_20_2;
-import com.viaversion.viaversion.api.type.types.version.Types1_20_3;
+import com.viaversion.viaversion.api.type.types.version.Types1_20_5;
 import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.rewriter.RecipeRewriter1_20_3;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.packet.ClientboundPacket1_20_5;
 import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.packet.ClientboundPackets1_20_5;
@@ -58,8 +58,8 @@ public final class BlockItemPacketRewriter1_99 extends ItemRewriter<ClientboundP
         registerTradeList1_20_5(ClientboundPackets1_20_5.TRADE_LIST);
         registerCreativeInvAction(ServerboundPackets1_20_5.CREATIVE_INVENTORY_ACTION);
         registerWindowPropertyEnchantmentHandler(ClientboundPackets1_20_5.WINDOW_PROPERTY);
-        registerSpawnParticle1_20_5(ClientboundPackets1_20_5.SPAWN_PARTICLE, Types1_20_3.PARTICLE, Types1_20_3.PARTICLE);
-        registerExplosion(ClientboundPackets1_20_5.EXPLOSION, Types1_20_3.PARTICLE, Types1_20_3.PARTICLE);
+        registerSpawnParticle1_20_5(ClientboundPackets1_20_5.SPAWN_PARTICLE, Types1_20_5.PARTICLE, Types1_20_5.PARTICLE);
+        registerExplosion(ClientboundPackets1_20_5.EXPLOSION, Types1_20_5.PARTICLE, Types1_20_5.PARTICLE);
 
         new RecipeRewriter1_20_3<>(protocol).register1_20_5(ClientboundPackets1_20_5.DECLARE_RECIPES);
     }