Update en_us.json (#342)

Author: JetVolcano

common/src/main/resources/assets/friendsandfoes/lang/en_us.json

@@ -62,6 +62,7 @@
 	"entity.friendsandfoes.crab": "Crab",
 	"entity.friendsandfoes.glare": "Glare",
 	"entity.friendsandfoes.iceologer": "Iceologer",
+	"entity.friendsandfoes.illusioner": "Illusioner",
 	"entity.friendsandfoes.moobloom": "Moobloom",
 	"entity.friendsandfoes.rascal": "Rascal",
 	"entity.friendsandfoes.mauler": "Mauler",
@@ -268,4 +269,4 @@
 	"yacl3.config.friendsandfoes:friendsandfoes.enableWildfire": "Enable",
 	"yacl3.config.friendsandfoes:friendsandfoes.generateCitadelStructure": "Generate citadel structure",
 	"yacl3.config.friendsandfoes:friendsandfoes.enableZombieHorseTrap": "Enable zombie horse trap"
-}
+}