diff --git a/code/src/java/pcgen/cdom/base/CDOMObject.java b/code/src/java/pcgen/cdom/base/CDOMObject.java
index ed4b98ec6f3..fc128b623d7 100644
--- a/code/src/java/pcgen/cdom/base/CDOMObject.java
+++ b/code/src/java/pcgen/cdom/base/CDOMObject.java
@@ -66,6 +66,8 @@
 import pcgen.core.analysis.BonusActivation;
 import pcgen.core.bonus.BonusObj;
 
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
 public abstract class CDOMObject extends ConcretePrereqObject
 		implements Cloneable, BonusContainer, Loadable, Reducible, PCGenScoped, VarHolder,
 		VarContainer
@@ -1032,6 +1034,10 @@ public final void overlayCDOMObject(CDOMObject cdo)
 		}
 	}
 
+	@SuppressFBWarnings(value = "MC_OVERRIDABLE_METHOD_CALL_IN_CLONE",
+		justification = "ownBonuses is intentionally overridable: PCClass overrides it to "
+			+ "recursively re-own bonuses on its PCClassLevel children. The override only "
+			+ "reads the clone's BONUS list, which super.clone() already populated.")
 	@Override
 	public CDOMObject clone() throws CloneNotSupportedException
 	{
diff --git a/code/src/java/pcgen/cdom/content/factset/FactSetParser.java b/code/src/java/pcgen/cdom/content/factset/FactSetParser.java
index 9b65f3fab9f..22fc1af4506 100644
--- a/code/src/java/pcgen/cdom/content/factset/FactSetParser.java
+++ b/code/src/java/pcgen/cdom/content/factset/FactSetParser.java
@@ -33,6 +33,8 @@
 import pcgen.rules.context.LoadContext;
 import pcgen.rules.persistence.token.AbstractTokenWithSeparator;
 import pcgen.rules.persistence.token.CDOMSecondaryToken;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import pcgen.rules.persistence.token.ParseResult;
 
 /**
@@ -120,6 +122,9 @@ public String getParentToken()
 		return "FACTSET";
 	}
 
+	@SuppressFBWarnings(value = "PZLA_PREFER_ZERO_LENGTH_ARRAYS",
+		justification = "null signals 'unparse errored'; empty array signals 'no output'. "
+			+ "Same convention as TemplateFeatToken.unparse.")
 	@Override
 	public String[] unparse(LoadContext context, T obj)
 	{
diff --git a/code/src/java/pcgen/cdom/enumeration/Region.java b/code/src/java/pcgen/cdom/enumeration/Region.java
index 8995713ea64..76255b91025 100644
--- a/code/src/java/pcgen/cdom/enumeration/Region.java
+++ b/code/src/java/pcgen/cdom/enumeration/Region.java
@@ -35,11 +35,6 @@
  */
 public final class Region implements TypeSafeConstant, Comparable<Region>
 {
-	/**
-	 * A "None" region for universal use.
-	 */
-	public static final Region NONE = new Region(Constants.NONE);
-
 	/**
 	 * This Map contains the mappings from Strings to the Type Safe Constant
 	 */
@@ -48,7 +43,15 @@ public final class Region implements TypeSafeConstant, Comparable<Region>
 	/**
 	 * This is used to provide a unique ordinal to each constant in this class
 	 */
-	private static int ordinalCount = 0;
+	private static int ordinalCount;
+
+	/**
+	 * A "None" region for universal use.
+	 *
+	 * Declared after the mutable counters above so the constructor sees a
+	 * defined `ordinalCount` — silences SpotBugs SI_INSTANCE_BEFORE_FINALS_ASSIGNED.
+	 */
+	public static final Region NONE = new Region(Constants.NONE);
 
 	/**
 	 * The name of this Constant
diff --git a/code/src/java/pcgen/cdom/facet/HitPointFacet.java b/code/src/java/pcgen/cdom/facet/HitPointFacet.java
index 4f49b8af533..f8a56aa9eed 100644
--- a/code/src/java/pcgen/cdom/facet/HitPointFacet.java
+++ b/code/src/java/pcgen/cdom/facet/HitPointFacet.java
@@ -36,6 +36,7 @@
 import pcgen.core.PCTemplate;
 import pcgen.core.PlayerCharacter;
 import pcgen.core.SettingsHandler;
+import pcgen.util.Logging;
 
 /**
  * HitPointFacet stores information about hit points for a Player Character.
@@ -92,7 +93,11 @@ private static int rollHP(final int min, final int max, final int totalLevel)
 			case Constants.HP_PERCENTAGE -> roll = (min - 1) + (int) ((SettingsHandler.getHPPercent() * ((max - min) + 1)) / 100.0);
 			case Constants.HP_AVERAGE_ROUNDED_UP -> roll = (int) Math.ceil((min + max) / 2.0);
 			case Constants.HP_STANDARD -> roll = Math.abs(RandomUtil.getRandomInt((max - min) + 1)) + min;
-			default -> roll = Math.abs(RandomUtil.getRandomInt((max - min) + 1)) + min;
+			default -> {
+				Logging.errorPrint("Unknown HP roll method "
+					+ SettingsHandler.getHPRollMethod() + "; falling back to HP_STANDARD");
+				roll = Math.abs(RandomUtil.getRandomInt((max - min) + 1)) + min;
+			}
 		}
 
 		return roll;