diff --git a/src/main/kotlin/JAlchemyRecipeGenerator.kt b/src/main/kotlin/JAlchemyRecipeGenerator.kt
index b0c7273..4c16bbe 100644
--- a/src/main/kotlin/JAlchemyRecipeGenerator.kt
+++ b/src/main/kotlin/JAlchemyRecipeGenerator.kt
@@ -1,5 +1,8 @@
 package top.jie65535
 
+import Transmutation
+import Silicon
+import Silver
 import net.mamoe.mirai.console.plugin.jvm.JvmPluginDescription
 import net.mamoe.mirai.console.plugin.jvm.KotlinPlugin
 import net.mamoe.mirai.event.GlobalEventChannel
@@ -38,6 +41,7 @@ object JAlchemyRecipeGenerator : KotlinPlugin(
     private fun gen(seed: Long): String {
         val random = Random(seed)
         val sb = StringBuilder()
+        val transmutation = Transmutation(seed)
         for (catalyst in catalysts) {
             sb.append(catalyst.name).append(" : ")
             for (i in 1..4)
@@ -60,6 +64,9 @@ object JAlchemyRecipeGenerator : KotlinPlugin(
 //                }
 //                sb.appendLine(']')
         }
+        // 硅
+        sb.append("硅反应物：混沌催化剂 + ${transmutation.transmuted(Silicon).name}反应物\n")
+        sb.append("银反应物：混沌催化剂 + ${transmutation.transmuted(Silver).name}反应物")
         return sb.toString()
     }
 
@@ -72,4 +79,10 @@ object JAlchemyRecipeGenerator : KotlinPlugin(
         Catalyst("宝石催化剂",   arrayOf("朱砂", "青金石", "蓝宝石", "绿宝石", "红宝石", "钻石")),
         Catalyst("混沌催化剂",   arrayOf("火成催化剂", "草本催化剂", "不稳定催化剂", "晶化催化剂", "金属催化剂", "宝石催化剂")),
     )
-}
\ No newline at end of file
+
+    /**
+     * 反应物
+     */
+    val reagents = catalysts.filter { it.name != "混沌催化剂" }
+        .flatMap { it.materials.asIterable() }
+}
diff --git a/src/main/kotlin/Reagent.kt b/src/main/kotlin/Reagent.kt
new file mode 100644
index 0000000..473c30b
--- /dev/null
+++ b/src/main/kotlin/Reagent.kt
@@ -0,0 +1,54 @@
+import top.jie65535.JAlchemyRecipeGenerator.reagents
+
+/**
+ * 反应物种类量
+ */
+const val REAGENT_COUNT = 38
+
+/**
+ * 反应物
+ */
+open class Reagent {
+    val index: Int
+    val name: String
+
+    constructor(index: Int) {
+        this.index = index
+        this.name = if (index !in 0 until REAGENT_COUNT)
+            UndefineReagent.name
+        else when (index) {
+            Silicon.index -> Silicon.name
+            Silver.index -> Silver.name
+            else -> reagents[index]
+        }
+    }
+
+    constructor(name: String) {
+        this.name = name
+        this.index = when (name) {
+            Silver.name -> Silver.index
+            Silicon.name -> Silicon.index
+            else -> reagents.indexOf(name)
+        }
+    }
+
+    constructor(name: String, index: Int) {
+        this.name = name
+        this.index = index
+    }
+}
+
+/**
+ * 未定义的反应物
+ */
+object UndefineReagent : Reagent("", -1)
+
+/**
+ * 硅反应物
+ */
+object Silicon : Reagent("硅", 36)
+
+/**
+ * 银反应物
+ */
+object Silver : Reagent("银", 37)
diff --git a/src/main/kotlin/Transmutation.kt b/src/main/kotlin/Transmutation.kt
new file mode 100644
index 0000000..6c43a5d
--- /dev/null
+++ b/src/main/kotlin/Transmutation.kt
@@ -0,0 +1,57 @@
+import java.util.*
+
+/**
+ * 反应物炼金
+ */
+class Transmutation(seed: Long) {
+    private val chaosMap = IntArray(REAGENT_COUNT) { it }
+
+    init {
+        var swap: Int
+        val ran = Random(seed)
+        val arr = IntArray(REAGENT_COUNT) { it }
+        // 根据 CAB 脚本代码消费几次 ran
+        repeat(7) {
+            repeat(4) { ran.nextInt(6) }
+            shuffle(IntArray(6), ran)
+        }
+        // 反应物洗牌（混沌 step 1）
+        shuffle(arr, ran)
+        for (i in 0 until REAGENT_COUNT step 2) {
+            if (arr[i] >= Silicon.index && arr[i + 1] >= Silicon.index) {
+                if (i == 0) {
+                    swap = arr[2]
+                    arr[2] = arr[1]
+                    arr[1] = swap
+                } else {
+                    swap = arr[i - 1]
+                    arr[i - 1] = arr[i]
+                    arr[i] = swap
+                }
+            }
+        }
+        // 混沌 step 2：置换
+        for (x in 0 until REAGENT_COUNT step 2) {
+            chaosMap[arr[x]] = arr[x + 1]
+            chaosMap[arr[x + 1]] = arr[x]
+        }
+    }
+
+    /**
+     * 根据产出查询混沌配方素材
+     */
+    fun transmuted(result: Reagent) = Reagent(chaosMap[result.index])
+
+    /**
+     * 洗牌
+     */
+    private fun shuffle(arr: IntArray, ran: Random) {
+        var tmp: Int
+        for (i in arr.lastIndex downTo 1) {
+            val j = ran.nextInt(i + 1)
+            tmp = arr[i]
+            arr[i] = arr[j]
+            arr[j] = tmp
+        }
+    }
+}