diff --git a/patches/server/0022-Reduce-sensor-work.patch b/patches/server/0022-Reduce-sensor-work.patch
new file mode 100644
index 0000000..7d14a6c
--- /dev/null
+++ b/patches/server/0022-Reduce-sensor-work.patch
@@ -0,0 +1,59 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: peaches94 <peachescu94@gmail.com>
+Date: Sun, 10 Jul 2022 15:44:38 -0500
+Subject: [PATCH] Reduce sensor work
+
+Original code by Bloom-host, licensed under GNU General Public License v3.0
+You can find the original code on https://github.com/Bloom-host/Petal
+
+this patch is focused around the sensors used for ai
+delete the line of sight cache less often and use a faster nearby comparison
+
+diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+index 1ec9a48f2f44f5bd647e0661423ae90970aee262..8800f2ab9e43a0377c1eae1f735bf3c5a09c8a36 100644
+--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+@@ -1011,20 +1011,22 @@ public abstract class LivingEntity extends Entity {
+         }
+ 
+         if (entity != null) {
+-            ItemStack itemstack = this.getItemBySlot(EquipmentSlot.HEAD);
++            // petal start - only do itemstack lookup if we need to
++            //ItemStack itemstack = this.getItemBySlot(EquipmentSlot.HEAD);
+             EntityType<?> entitytypes = entity.getType();
+ 
+             // Purpur start
+-            if (entitytypes == EntityType.SKELETON && itemstack.is(Items.SKELETON_SKULL)) {
++            if (entitytypes == EntityType.SKELETON && this.getItemBySlot(EquipmentSlot.HEAD).is(Items.SKELETON_SKULL)) {
+                 d0 *= entity.level.purpurConfig.skeletonHeadVisibilityPercent;
+             }
+-            else if (entitytypes == EntityType.ZOMBIE && itemstack.is(Items.ZOMBIE_HEAD)) {
++            else if (entitytypes == EntityType.ZOMBIE && this.getItemBySlot(EquipmentSlot.HEAD).is(Items.ZOMBIE_HEAD)) {
+                 d0 *= entity.level.purpurConfig.zombieHeadVisibilityPercent;
+             }
+-            else if (entitytypes == EntityType.CREEPER && itemstack.is(Items.CREEPER_HEAD)) {
++            else if (entitytypes == EntityType.CREEPER && this.getItemBySlot(EquipmentSlot.HEAD).is(Items.CREEPER_HEAD)) {
+                 d0 *= entity.level.purpurConfig.creeperHeadVisibilityPercent;
+             }
+             // Purpur end
++            // petal end
+ 
+             // Purpur start
+             if (entity instanceof LivingEntity entityliving) {
+diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
+index 7809f341dc76536250b4eb3809de9368b5c2d652..f62bb6f85c646326a33a56037792b54b15ef258b 100644
+--- a/src/main/java/net/minecraft/world/entity/Mob.java
++++ b/src/main/java/net/minecraft/world/entity/Mob.java
+@@ -884,10 +884,10 @@ public abstract class Mob extends LivingEntity {
+             return;
+         }
+         // Paper end
++        int i = this.level.getServer().getTickCount() + this.getId(); // petal - move up
+         //this.level.getProfiler().push("sensing"); // Purpur
+-        this.sensing.tick();
++        if (i % 10 == 0) this.sensing.tick(); // petal - only refresh line of sight cache every half second
+         //this.level.getProfiler().pop(); // Purpur
+-        int i = this.level.getServer().getTickCount() + this.getId();
+ 
+         if (i % 2 != 0 && this.tickCount > 1) {
+             //this.level.getProfiler().push("targetSelector"); // Purpur