diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt
index 202a001e..9dd86fb9 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/Starbound.kt
@@ -66,7 +66,7 @@ object Starbound {
 		if (input[0] == '/')
 			return input
 
-		return "$readingFolder/$input"
+		return assetStringInterner.intern("$readingFolder/$input")
 	}
 
 	fun readingFolderTransformerNullable(input: String?): String? {
@@ -477,8 +477,7 @@ object Starbound {
 	}
 
 	private fun loadItemDefinitions(callback: (String) -> Unit) {
-		//val files = listOf(".item", ".currency", ".head", ".chest", ".legs")
-		val files = listOf(".item", ".currency")
+		val files = listOf(".item", ".currency", ".head", ".chest", ".legs")
 
 		for (fs in fileSystems) {
 			for (listedFile in fs.explore().filter { it.isFile }.filter { f -> files.any { f.name.endsWith(it) } }) {
diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/defs/item/ItemDefinition.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/defs/item/ItemDefinition.kt
index ef7c1a8f..53f6f747 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/defs/item/ItemDefinition.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/defs/item/ItemDefinition.kt
@@ -1,10 +1,15 @@
 package ru.dbotthepony.kstarbound.defs.item
 
 import com.google.gson.GsonBuilder
+import com.google.gson.TypeAdapter
+import com.google.gson.stream.JsonReader
+import com.google.gson.stream.JsonToken
+import com.google.gson.stream.JsonWriter
 import ru.dbotthepony.kstarbound.Starbound
 import ru.dbotthepony.kstarbound.io.json.KConcreteTypeAdapter
 import ru.dbotthepony.kstarbound.io.json.asJsonObject
 import ru.dbotthepony.kstarbound.io.json.asList
+import ru.dbotthepony.kstarbound.io.json.ifString
 import ru.dbotthepony.kstarbound.registerTypeAdapter
 import ru.dbotthepony.kvector.vector.ndouble.Vector2d
 
@@ -244,14 +249,15 @@ data class ItemDefinition(
 
 	data class ArmorFrames(
 		val body: String,
-		val backSleeve: String,
-		val frontSleeve: String,
+		val backSleeve: String?,
+		val frontSleeve: String?,
 	)
 
 	data class StatusEffect(
 		val levelFunction: String,
 		val stat: String,
-		val baseMultiplier: Double,
+		val baseMultiplier: Double = 1.0,
+		val amount: Double = 0.0,
 	)
 
 	companion object {
@@ -319,14 +325,16 @@ data class ItemDefinition(
 
 		val ARMOR_FRAMES_ADAPTER = KConcreteTypeAdapter.Builder(ArmorFrames::class)
 			.auto(ArmorFrames::body, transformer = Starbound::readingFolderTransformer)
-			.auto(ArmorFrames::backSleeve, transformer = Starbound::readingFolderTransformer)
-			.auto(ArmorFrames::frontSleeve, transformer = Starbound::readingFolderTransformer)
+			.auto(ArmorFrames::backSleeve, transformer = Starbound::readingFolderTransformerNullable)
+			.auto(ArmorFrames::frontSleeve, transformer = Starbound::readingFolderTransformerNullable)
 			.build()
+			.ifString { ArmorFrames(Starbound.readingFolderTransformer(it), null, null) }
 
 		val STATUS_EFFECT_ADAPTER = KConcreteTypeAdapter.Builder(StatusEffect::class)
 			.auto(StatusEffect::levelFunction)
 			.auto(StatusEffect::stat)
 			.auto(StatusEffect::baseMultiplier)
+			.auto(StatusEffect::amount)
 			.build()
 
 		fun registerGson(gsonBuilder: GsonBuilder) {
diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/io/json/Ext.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/io/json/Ext.kt
index 100158f6..57e537ed 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/io/json/Ext.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/io/json/Ext.kt
@@ -2,6 +2,7 @@ package ru.dbotthepony.kstarbound.io.json
 
 import com.google.gson.TypeAdapter
 import com.google.gson.stream.JsonReader
+import com.google.gson.stream.JsonToken
 import com.google.gson.stream.JsonWriter
 
 fun <T> TypeAdapter<T>.transformRead(transformer: (T) -> T): TypeAdapter<T> {
@@ -39,3 +40,19 @@ fun <T> TypeAdapter<T>.transform(transformRead: (T) -> T, transformWrite: (T) ->
 		}
 	}
 }
+
+fun <T> TypeAdapter<T>.ifString(reader: (String) -> T): TypeAdapter<T> {
+	return object : TypeAdapter<T>() {
+		override fun write(out: JsonWriter, value: T) {
+			return this@ifString.write(out, value)
+		}
+
+		override fun read(`in`: JsonReader): T {
+			if (`in`.peek() == JsonToken.STRING) {
+				return reader(`in`.nextString())
+			}
+
+			return this@ifString.read(`in`)
+		}
+	}
+}
diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/io/json/KConcreteTypeAdapter.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/io/json/KConcreteTypeAdapter.kt
index 69c30fac..4b7c32cf 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/io/json/KConcreteTypeAdapter.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/io/json/KConcreteTypeAdapter.kt
@@ -360,7 +360,7 @@ class KConcreteTypeAdapter<T : Any> private constructor(
 		private val types = ArrayList<PackedProperty<T, *>>()
 
 		/**
-		 * Принимает ли класс *последним* аргументом JSON объект
+		 * Принимает ли класс *последним* аргументом JSON структуру
 		 *
 		 * На самом деле, JSON "заворачивается" в [ImmutableMap], или [ImmutableList] если указано [asList]/[inputAsList]
 		 *