diff --git a/fx/fx.gd b/fx/fx.gd
index e90def2..cf63a35 100644
--- a/fx/fx.gd
+++ b/fx/fx.gd
@@ -4,7 +4,7 @@ extends Node
 ## Autoload singleton. Usage:  Fx.spawn(&"blood_burst", hit_transform)
 ##
 ## Scenes are loaded lazily (not preloaded) so this autoload compiles and boots even before the
-## placeholder .tscn are seeded — see fx/_seed_placeholders.gd.
+## placeholder .tscn are seeded — see tools/seed_fx_placeholders.gd.
 
 const _PATHS: Dictionary = {
 	&"blood_burst": "res://fx/blood_burst.tscn",
diff --git a/fx/_seed_placeholders.gd b/tools/seed_fx_placeholders.gd
similarity index 98%
rename from fx/_seed_placeholders.gd
rename to tools/seed_fx_placeholders.gd
index 75edc04..d02f10d 100644
--- a/fx/_seed_placeholders.gd
+++ b/tools/seed_fx_placeholders.gd
@@ -2,7 +2,7 @@ extends SceneTree
 ## Seeds the placeholder effect .tscn (and the gallery scene) once, headless. Those .tscn are the
 ## source of truth Siim edits in the inspector — this script only builds their first-draft defaults
 ## (ported from the old code-built particles). Re-run only to reset a placeholder from scratch:
-##   godot --headless --script fx/_seed_placeholders.gd
+##   godot --headless --script tools/seed_fx_placeholders.gd
 
 const _EFFECT_SCRIPT := "res://fx/one_shot_effect.gd"
 const _GALLERY_SCRIPT := "res://fx/effect_gallery.gd"
diff --git a/fx/_seed_placeholders.gd.uid b/tools/seed_fx_placeholders.gd.uid
similarity index 100%
rename from fx/_seed_placeholders.gd.uid
rename to tools/seed_fx_placeholders.gd.uid