Updated antibacterial.json tested and working.

data/canopy/advancements/antibacterial.json

@@ -1,8 +1,7 @@
 {
     "display": {
         "icon": {
-	    "item": "minecraft:player_head",
-	    	"nbt": "{SkullOwner: {UUID: \"cf45612273ad43669a8b8b0dcfdf559a\"}}"
+	    "item": "minecraft:barrier"
         },
         "title": "100% Antibacterial",
         "description": "Kill 100% of all germs in the Canopy.",
@@ -16,7 +15,7 @@
             "trigger": "minecraft:player_killed_entity",
             "conditions": {
                 "entity": {
-		    "nbt": "{Tags:[\"bac\"]}"
+		    "nbt": "{Tags:[\"admin\"]}"
                 }
             }
         }