diff --git a/README.md b/README.md
new file mode 100644
index 0000000..ded8f9f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,33 @@
+# Dota 2 Random - Alexa Skill
+
+Skill is now available from the [Alexa Skill Store](https://www.amazon.com/binhonglee-Dota2-Random/dp/B073W4GDLS)!
+
+#### Dependency
+- alexa-sdk
+- node.js
+
+## Documentations
+
+### Intents
+
+| Intents | Description |
+|:---------|:------------|
+| `LaunchRequest` | Introduction to the skill. |
+| `AnyRequest` | Random any hero |
+| `RequestIntent` | Takes in 1 ROLE_TYPES as limitation for random |
+| `RequestTwoIntent` | Takes in 2 ROLE_TYPES as limitation for random |
+| `RequestThreeIntent` | Takes in 3 ROLE_TYPES as limitation for random |
+| `AMAZON.HelpIntent` | Provide examples on how to use the skill |
+| `Stop` | Stop the skill |
+
+### ROLE_TYPES (Custom slot)
+- melee
+- ranged
+- carry
+- support
+- strength
+- intelligence
+- agility
+- nuker
+- initiator
+- escape
diff --git a/speechAssets/CustomSlot.txt b/speechAssets/CustomSlot.txt
deleted file mode 100644
index d3cb291..0000000
--- a/speechAssets/CustomSlot.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-melee
-ranged
-carry
-support
diff --git a/speechAssets/IntentSchema.json b/speechAssets/IntentSchema.json
index 89f4b3e..01df2c2 100644
--- a/speechAssets/IntentSchema.json
+++ b/speechAssets/IntentSchema.json
@@ -2,23 +2,40 @@
   "intents": [
     {
       "intent": "RequestIntent",
-      "slot": [
+      "slots": [
         {
-          "name": "Category",
-          "type": "CustomSlot"
+          "name": "Role",
+          "type": "ROLE_TYPES"
         }
       ]
     },
     {
       "intent": "RequestTwoIntent",
-      "slot": [
+      "slots": [
         {
-          "name": "Category1",
-          "type": "CustomSlot"
+          "name": "RoleOne",
+          "type": "ROLE_TYPES"
         },
         {
-          "name": "Category2",
-          "type": "CustomSlot"
+          "name": "RoleTwo",
+          "type": "ROLE_TYPES"
+        }
+      ]
+    },
+    {
+      "intent": "RequestThreeIntent",
+      "slots": [
+        {
+          "name": "RoleOne",
+          "type": "ROLE_TYPES"
+        },
+        {
+          "name": "RoleTwo",
+          "type": "ROLE_TYPES"
+        },
+        {
+          "name": "RoleThree",
+          "type": "ROLE_TYPES"
         }
       ]
     },
diff --git a/speechAssets/ROLE_TYPES.txt b/speechAssets/ROLE_TYPES.txt
new file mode 100644
index 0000000..d209ce4
--- /dev/null
+++ b/speechAssets/ROLE_TYPES.txt
@@ -0,0 +1,10 @@
+melee
+ranged
+carry
+support
+strength
+intelligence
+agility
+nuker
+initiator
+escape
diff --git a/speechAssets/Utterances.txt b/speechAssets/Utterances.txt
index 54b6861..771ff4a 100644
--- a/speechAssets/Utterances.txt
+++ b/speechAssets/Utterances.txt
@@ -1,15 +1,23 @@
-RequestIntent random {Category}
-RequestIntent random {Category} hero
-RequestIntent random any {Category}
-RequestIntent random any {Category} hero
-RequestIntent random another {Category}
-RequestIntent random another {Category} hero
-RequestTwoIntent random {Category1} {Category2}
-RequestIntent random {Category1} {Category2} hero
-RequestIntent random any {Category1} {Category2}
-RequestIntent random any {Category1} {Category2} hero
-RequestIntent random another {Category1} {Category2}
-RequestIntent random another {Category1} {Category2} hero
+RequestIntent random {Role}
+RequestIntent random {Role} hero
+RequestIntent random any {Role}
+RequestIntent random any {Role} hero
+RequestIntent random another {Role}
+RequestIntent random another {Role} hero
+RequestTwoIntent random {RoleOne} {RoleTwo}
+RequestTwoIntent random {RoleOne} {RoleTwo} hero
+RequestTwoIntent random any {RoleOne} {RoleTwo}
+RequestTwoIntent random any {RoleOne} {RoleTwo} hero
+RequestTwoIntent random another {RoleOne} {RoleTwo}
+RequestTwoIntent random another {RoleOne} {RoleTwo} hero
+RequestThreeIntent random {RoleOne} {RoleTwo} {RoleThree}
+RequestThreeIntent random {RoleOne} {RoleTwo} {RoleThree} hero
+RequestThreeIntent random any {RoleOne} {RoleTwo} {RoleThree}
+RequestThreeIntent random any {RoleOne} {RoleTwo} {RoleThree} hero
+RequestThreeIntent random another {RoleOne} {RoleTwo} {RoleThree}
+RequestThreeIntent random another {RoleOne} {RoleTwo} {RoleThree} hero
 AnyRequest random any hero
 AnyRequest random any other hero
+AnyRequest random another
+AnyRequest random another hero
 Stop stop
diff --git a/src/index.js b/src/index.js
index 1c33ce0..ee979bb 100644
--- a/src/index.js
+++ b/src/index.js
@@ -13,7 +13,7 @@ var handlers = {
 
   'RequestIntent': function () {
     var given = []
-    var category = this.event.request.intent.slots.Category
+    var category = this.event.request.intent.slots.Role.value.toString()
     given.push(category)
 
     randomHero(given, (name) => {
@@ -23,8 +23,8 @@ var handlers = {
 
   'RequestTwoIntent': function () {
     var given = []
-    var category1 = this.event.request.intent.slots.Category1
-    var category2 = this.event.request.intent.slots.Category2
+    var category1 = this.event.request.intent.slots.RoleOne.value.toString()
+    var category2 = this.event.request.intent.slots.RoleTwo.value.toString()
     given.push(category1)
     given.push(category2)
 
@@ -33,6 +33,20 @@ var handlers = {
     })
   },
 
+  'RequestThreeIntent': function () {
+    var given = []
+    var category1 = this.event.request.intent.slots.RoleOne.value.toString()
+    var category2 = this.event.request.intent.slots.RoleTwo.value.toString()
+    var category3 = this.event.request.intent.slots.RoleThree.value.toString()
+    given.push(category1)
+    given.push(category2)
+    given.push(category3)
+
+    randomHero(given, (name) => {
+      this.emit(':tell', name)
+    })
+  },
+
   'AnyRequest': function () {
     var given = []
     randomHero(given, (name) => {
@@ -42,7 +56,7 @@ var handlers = {
   },
 
   'AMAZON.HelpIntent': function () {
-    this.emit(':ask', 'You can try saying random any hero, random melee carry or random ranged support for more specific randoming.')
+    this.emit(':ask', 'You can try saying random any hero, random melee carry or random ranged support.')
   },
 
   'Stop': function () {
@@ -56,6 +70,21 @@ function randomHero (categories, callback) {
   var location
 
   httpsGet((heroes) => {
+    var possible = false
+    var i = 0
+
+    while (possible === false && i < heroes.length) {
+      if (checkCategory(categories, heroes[i])) {
+        possible = true
+      }
+      i++
+    }
+
+    if (!possible) {
+      callback('Random failed')
+      return
+    }
+
     do {
       location = random(heroes.length)
     } while (!checkCategory(categories, heroes[location]))
@@ -92,16 +121,14 @@ function random (size) {
 }
 
 function checkCategory (categories, hero) {
-  var i = 0
-
   var hits = false
 
-  while (i < categories.length) {
-    if (categories[i] === hero.primary_attr || categories[i] === hero.attack_type) {
+  for (var i = 0; i < categories.length; i++) {
+    if (categories[i].toLowerCase().localeCompare(hero.attack_type.toLowerCase()) === 0 || categories[i].toLowerCase().substring(0, 3).localeCompare(hero.primary_attr) === 0) {
       hits = true
     } else {
       for (var j = 0; j < hero.roles.length; j++) {
-        if (categories[i] === hero.roles[j]) {
+        if (categories[i].toLowerCase().localeCompare(hero.roles[j].toLowerCase()) === 0) {
           hits = true
           break
         }
@@ -109,7 +136,6 @@ function checkCategory (categories, hero) {
     }
 
     if (hits) {
-      i++
       hits = false
     } else {
       return false