diff --git a/custom_formats/WEB-DL Tier 3.yml b/custom_formats/WEB-DL Tier 3.yml
index 64c4ce9..fd974d3 100644
--- a/custom_formats/WEB-DL Tier 3.yml	
+++ b/custom_formats/WEB-DL Tier 3.yml	
@@ -9,6 +9,11 @@ conditions:
   required: true
   source: web_dl
   type: source
+- name: ABM
+  type: release_group
+  required: false
+  negate: false
+  pattern: ABM
 - name: AJP69
   negate: false
   pattern: AJP69
@@ -125,10 +130,10 @@ conditions:
   required: false
   type: release_group
 - name: XEBEC
-  type: release_group
-  required: false
   negate: false
   pattern: XEBEC
+  required: false
+  type: release_group
 - name: ZoroSenpai
   negate: false
   pattern: ZoroSenpai
diff --git a/regex_patterns/ABM.yml b/regex_patterns/ABM.yml
new file mode 100644
index 0000000..866935d
--- /dev/null
+++ b/regex_patterns/ABM.yml
@@ -0,0 +1,7 @@
+name: ABM
+pattern: (?<=^|[\s.-])ABM\b
+description: ''
+tags:
+- Release Group
+- WEB-DL
+tests: []