Do not load silhouetted or hidden items. More importantly, remove the absolute positioning on the .required-level tag inside the item element to save 150MB (!!!) of memory for no discernible reason. (But actualy just remove that whole .required-level tag, because who even needs it.)

app/styles/game-menu/inventory-modal.sass

@@ -320,7 +320,7 @@ $itemSlotGridHeight: 51px
       position: relative
       width: 60px
 
-      &:not(.equipped):not(.restricted):not(.silhouette)
+      &:not(.equipped):not(.restricted)
         cursor: pointer
 
         &:hover
@@ -347,18 +347,6 @@ $itemSlotGridHeight: 51px
         padding: 0
         @include transition(0.1s ease)
 
-      .required-level
-        @include opacity(0)
-        @include transition(0.6s ease-in)
-        pointer-events: none
-        font-size: 14px
-        text-align: center
-        width: 100%
-        bottom: 20px
-        top: inherit
-        position: absolute
-        color: white
-
       &.active
         background-color: rgb(81,153,236)
 
@@ -402,16 +390,6 @@ $itemSlotGridHeight: 51px
     
       &.locked:not(:hover)
         @include filter(contrast(75%))
-        
-      &.silhouette
-        img
-          @include filter(contrast(25%) brightness(25%))
-          opacity: 0.5
-
-        &:hover
-          .required-level
-            @include opacity(1)
-            text-shadow: 0 1px 0 black, 1px 0 0 black, 0 -1px 0 black, -1px 0 0 black
     
   //- Hero/Play buttons
 

app/styles/play/modal/play-items-modal.sass

@@ -280,7 +280,7 @@
     opacity: 0.3
 
   .required-level
-    position: absolute
+    //position: absolute
     left: 0
     right: 5px
     top: 70px

app/templates/play/menu/inventory-modal.jade

@@ -50,10 +50,6 @@
               for item in itemGroups.lockedItems.models
                 .item(class=item.classes, data-item-id=item.id)
                   img(src=item.getPortraitURL(), draggable="false")
-                  if item.level
-                    .required-level
-                      span(data-i18n="general.player_level")
-                      span.spl= item.level
               .clearfix
 
     #item-details-view

app/views/play/menu/InventoryModal.coffee

@@ -94,10 +94,12 @@ module.exports = class InventoryModal extends ModalView
     if not item.getFrontFacingStats().props.length and not _.size(item.getFrontFacingStats().stats) and locked  # Temp: while there are placeholder items
       null  # Don't put into a collection
     else if locked and item.get('slug') isnt 'simple-boots'
-      @itemGroups.lockedItems.add(item)
       item.classes.push 'locked'
-      item.classes.push 'silhouette' if item.isSilhouettedItem()
-      item.classes.push 'hidden' unless item.get('gems')
+      if item.isSilhouettedItem or not item.get('gems')
+        # Don't even load/show these--don't add to a collection. (Bandwidth optimization.)
+        null
+      else
+        @itemGroups.lockedItems.add(item)
     else if item.get('slug') in _.values(LevelOptions[@options.levelID]?.restrictedGear ? {})
       @itemGroups.restrictedItems.add(item)
       item.classes.push 'restricted'
@@ -216,7 +218,6 @@ module.exports = class InventoryModal extends ModalView
   onUnequippedItemClick: (e) ->
     return if @justDoubleClicked
     itemEl = $(e.target).closest('.item')
-    return if itemEl.hasClass('silhouette')
     @playSound 'menu-button-click'
     @selectUnequippedItem(itemEl)