diff --git a/monster/demon/imp.base.131.png b/monster/demon/imp.base.131.png
index 4e74b604b..e38241989 100644
Binary files a/monster/demon/imp.base.131.png and b/monster/demon/imp.base.131.png differ
diff --git a/monster/demon/imp.base.171.png b/monster/demon/imp.base.171.png
index 5335ee982..b796fe4d1 100644
Binary files a/monster/demon/imp.base.171.png and b/monster/demon/imp.base.171.png differ