diff --git a/core/src/me/msoucy/ptures/model/Skills.kt b/core/src/me/msoucy/ptures/model/Skills.kt
index b849f8f..9ef6c13 100644
--- a/core/src/me/msoucy/ptures/model/Skills.kt
+++ b/core/src/me/msoucy/ptures/model/Skills.kt
@@ -40,7 +40,7 @@ class Damage(val power : Int, val attribute : Attribute = Attribute.Neutral) {
 class StatusApplier(val target : Target, val apply : (Creature) -> Unit)
 
 @SkillMarker
-class Skill(val name : String, val attribute : Attribute) {
+sealed class Skill(open val name : String, val attribute : Attribute) {
     val damageSteps = mutableListOf<Damage>()
     val postSteps = mutableListOf<StatusApplier>()
 
@@ -59,6 +59,11 @@ class Skill(val name : String, val attribute : Attribute) {
     }
 }
 
+class AdvancedSkill(name : String, attribute : Attribute) : Skill(name, attribute) {
+    override val name : String get() = super.name + "+"
+    val baseName : String get() = super.name
+}
+
 fun skill(name : String, attribute : Attribute = Attribute.Neutral, block : Skill.() -> Unit) : Skill {
     val ret = Skill(name, attribute)
     ret.block()