dont show hit indicator for 1 player

Source/qol/monhealthbar.cpp

@@ -157,14 +157,16 @@ void DrawMonsterHealthBar(const Surface &out)
 		}
 	}
 
-	int tagOffset = 5;
-	for (size_t i = 0; i < Players.size(); i++) {
-		if (((1U << i) & monster.whoHit) != 0) {
-			RenderClxSprite(out, (*playerExpTags)[i + 1], position + Displacement { tagOffset, height - 31 });
-		} else if (Players[i].plractive) {
-			RenderClxSprite(out, (*playerExpTags)[0], position + Displacement { tagOffset, height - 31 });
+	if (Players.size() > 1) {
+		int tagOffset = 5;
+		for (size_t i = 0; i < Players.size(); i++) {
+			if (((1U << i) & monster.whoHit) != 0) {
+				RenderClxSprite(out, (*playerExpTags)[i + 1], position + Displacement { tagOffset, height - 31 });
+			} else if (Players[i].plractive) {
+				RenderClxSprite(out, (*playerExpTags)[0], position + Displacement { tagOffset, height - 31 });
+			}
+			tagOffset += (*playerExpTags)[0].width();
 		}
-		tagOffset += (*playerExpTags)[0].width();
 	}
 }