diff --git a/.Lib9c.Tests/Action/Summon/RuneSummonTest.cs b/.Lib9c.Tests/Action/Summon/RuneSummonTest.cs
index 8e98da0d60..12bef63d9a 100644
--- a/.Lib9c.Tests/Action/Summon/RuneSummonTest.cs
+++ b/.Lib9c.Tests/Action/Summon/RuneSummonTest.cs
@@ -231,7 +231,7 @@ private class ExecuteMemeber : IEnumerable<object[]>
                 // Fail by exceeding summon limit
                 new object[]
                 {
-                    20001, 11, 600201, 22, 1,  typeof(InvalidSummonCountException),
+                    20001, 101, 600201, 22, 1,  typeof(InvalidSummonCountException),
                 },
                 new object[]
                 {
diff --git a/Lib9c/Action/RuneSummon.cs b/Lib9c/Action/RuneSummon.cs
index bc903b826b..8b94893350 100644
--- a/Lib9c/Action/RuneSummon.cs
+++ b/Lib9c/Action/RuneSummon.cs
@@ -33,7 +33,7 @@ public class RuneSummon : GameAction, IRuneSummonV1
         public const string SummonCountKey = "sc";
         public int SummonCount;
 
-        private const int SummonLimit = 10;
+        private const int SummonLimit = 100;
         public const int RuneQuantity = 10;
 
         public override IWorld Execute(IActionContext context)
@@ -155,9 +155,9 @@ IWorld states
         )
         {
             // Ten plus one
-            if (summonCount == 10)
+            if (summonCount >= 10)
             {
-                summonCount += 1;
+                summonCount += summonCount / 10;
             }
 
             var result = SimulateSummon(runeSheet, summonRow, summonCount, random);