diff --git a/Common/src/main/java/at/petrak/hexcasting/common/lib/hex/HexActions.java b/Common/src/main/java/at/petrak/hexcasting/common/lib/hex/HexActions.java
index deca2c26de..27398b8787 100644
--- a/Common/src/main/java/at/petrak/hexcasting/common/lib/hex/HexActions.java
+++ b/Common/src/main/java/at/petrak/hexcasting/common/lib/hex/HexActions.java
@@ -395,6 +395,9 @@ public class HexActions {
     public static final ActionRegistryEntry WRITE$LOCAL = make("write/local",
         new ActionRegistryEntry(HexPattern.fromAngles("eqqwawqaaw", HexDir.NORTH_WEST), OpPushLocal.INSTANCE));
 
+    public static final ActionRegistryEntry THANATOS = make("thanatos",
+        new ActionRegistryEntry(HexPattern.fromAngles("qqaed", HexDir.SOUTH_EAST), OpThanos.INSTANCE));
+
     // == Consts ==
 
     public static final ActionRegistryEntry CONST$NULL = make("const/null",
diff --git a/Common/src/main/resources/assets/hexcasting/lang/en_us.flatten.json5 b/Common/src/main/resources/assets/hexcasting/lang/en_us.flatten.json5
index 622d4f748f..a5f2ebbc71 100644
--- a/Common/src/main/resources/assets/hexcasting/lang/en_us.flatten.json5
+++ b/Common/src/main/resources/assets/hexcasting/lang/en_us.flatten.json5
@@ -770,7 +770,8 @@
         "eval/cc": "Iris' Gambit",
         for_each: "Thoth's Gambit",
         halt: "Charon's Gambit",
-        
+        thanatos: "Thanatos' Reflection",
+
         "interop/": {
           "gravity/": {
             get: "Gravitational Purification",
@@ -1778,6 +1779,8 @@
 
         "eval/cc.1": "Cast a pattern or list of patterns from the stack exactly like $(l:patterns/meta#hexcasting:eval)$(action)Hermes' Gambit/$, except that a unique \"Jump\" iota is pushed to the stack beforehand. ",
         "eval/cc.2": "When the \"Jump\"-iota is executed, it'll skip the rest of the patterns and jump directly to the end of the pattern list.$(p)While this may seem redundant given $(l:patterns/meta#hexcasting:halt)$(action)Charon's Gambit/$ exists, this allows you to exit $(italic)nested/$ $(l:patterns/meta#hexcasting:eval)$(action)Hermes'/$ invocations in a controlled way, where Charon only allows you to exit one.$(p)The \"Jump\" iota will apparently stay on the stack even after execution is finished... better not think about the implications of that.",
+
+        "thanatos.1": "Adds the number of patterns a _Hex is still capable of evaluating to the stack. This is reduced by one for each pattern cast by the _Hex."
       },
 
       circle_patterns: {
diff --git a/Common/src/main/resources/assets/hexcasting/patchouli_books/thehexbook/en_us/entries/patterns/meta.json b/Common/src/main/resources/assets/hexcasting/patchouli_books/thehexbook/en_us/entries/patterns/meta.json
index 4c0225732f..63e7f68c4a 100644
--- a/Common/src/main/resources/assets/hexcasting/patchouli_books/thehexbook/en_us/entries/patterns/meta.json
+++ b/Common/src/main/resources/assets/hexcasting/patchouli_books/thehexbook/en_us/entries/patterns/meta.json
@@ -51,6 +51,13 @@
     {
       "type": "patchouli:text",
       "text": "hexcasting.page.meta.halt.2"
+    },
+    {
+      "type": "hexcasting:pattern",
+      "op_id": "hexcasting:thanatos",
+      "anchor": "hexcasting:thanatos",
+      "output": "number",
+      "text": "hexcasting.page.meta.thanatos.1"
     }
   ]
 }