diff --git a/lib/docs/changes.txt b/lib/docs/changes.txt
index 520d930..e4f700c 100644
--- a/lib/docs/changes.txt
+++ b/lib/docs/changes.txt
@@ -992,4 +992,4 @@
 		- this chance is miniscule or even zero in normal play
 		- but it goes up the more you use the stairs in quick succession
 		- attempts to stairscum will quickly lead to being injured on a level with no escape 
-		- we think this is pretty difficult to abuse..
\ No newline at end of file
+		- we think this is pretty difficult to abuse..
diff --git a/lib/edit/monster.txt b/lib/edit/monster.txt
index cfb2218..4408d1d 100644
--- a/lib/edit/monster.txt
+++ b/lib/edit/monster.txt
@@ -1263,6 +1263,7 @@ D:A great serpent with scales of gleaming emerald.
 D: Noxious vapours surround it.
 
 
+# Can't move from idx 153, used by monster Song of Oaths
 N:153:Oathwraith
 W:15:4
 G:W:g
diff --git a/src/defines.h b/src/defines.h
index 41f9533..1beb700 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -222,7 +222,7 @@
 #define R_IDX_BARROW_WIGHT		112
 #define R_IDX_ALDOR             117
 #define R_IDX_EASTERLING_SPY	121
-#define R_IDX_OATHWRAITH        152
+#define R_IDX_OATHWRAITH        153
 #define R_IDX_CAT_WARRIOR		154
 #define R_IDX_YOUNG_COLD_DRAKE  164
 #define R_IDX_CAT_ASSASSIN		175
diff --git a/src/spells2.c b/src/spells2.c
index 028763a..6b0e23b 100644
--- a/src/spells2.c
+++ b/src/spells2.c
@@ -2973,7 +2973,7 @@ void earthquake(int cy, int cx, int pit_y, int pit_x, int r, int who)
 					}
 					
 					// do the damage and check for death
-					killed = mon_take_hit(cave_m_idx[y][x], damage, NULL, who);
+					killed = mon_take_hit(cave_m_idx[y][x], net_dam, NULL, who);
 					
 					// special effects for survivors
 					if (!killed)
diff --git a/src/use-obj.c b/src/use-obj.c
index f97452d..5f35739 100644
--- a/src/use-obj.c
+++ b/src/use-obj.c
@@ -529,7 +529,7 @@ static bool use_staff(object_type *o_ptr, bool *ident)
 
 		case SV_STAFF_EARTHQUAKES:
 		{
-			int radius = 3 + p_ptr->skill_use[S_WIL] / 5;
+			int radius = 3 + will_score / 5;
 			earthquake(py, px, -1, -1, radius, -1);
 			*ident = TRUE;
 			break;