diff --git a/src/entity/Entity.php b/src/entity/Entity.php
index 1637e0755..d73356df8 100644
--- a/src/entity/Entity.php
+++ b/src/entity/Entity.php
@@ -61,6 +61,7 @@ use pocketmine\player\Player;
 use pocketmine\Server;
 use pocketmine\timings\Timings;
 use pocketmine\timings\TimingsHandler;
+use pocketmine\utils\Limits;
 use pocketmine\utils\Utils;
 use pocketmine\VersionInfo;
 use pocketmine\world\format\Chunk;
@@ -77,6 +78,7 @@ use function floatval;
 use function floor;
 use function fmod;
 use function get_class;
+use function min;
 use function sin;
 use function spl_object_id;
 use const M_PI_2;
@@ -701,9 +703,16 @@ abstract class Entity{
 	 * @throws \InvalidArgumentException
 	 */
 	public function setFireTicks(int $fireTicks) : void{
-		if($fireTicks < 0 || $fireTicks > 0x7fff){
-			throw new \InvalidArgumentException("Fire ticks must be in range 0 ... " . 0x7fff . ", got $fireTicks");
+		if($fireTicks < 0){
+			throw new \InvalidArgumentException("Fire ticks cannot be negative");
 		}
+
+		//Since the max value is not externally obvious or intuitive, many plugins use this without being aware that
+		//reasonably large values are not accepted. We even have such usages within PM itself. It doesn't make sense
+		//to force all those calls to be aware of this limitation, as it's not a functional limit but a limitation of
+		//the Mojang save format. Truncating this to the max acceptable value is the next best thing we can do.
+		$fireTicks = min($fireTicks, Limits::INT16_MAX);
+
 		if(!$this->isFireProof()){
 			$this->fireTicks = $fireTicks;
 			$this->networkPropertiesDirty = true;
diff --git a/src/item/enchantment/AvailableEnchantmentRegistry.php b/src/item/enchantment/AvailableEnchantmentRegistry.php
index eed7bff52..2d8dafa4b 100644
--- a/src/item/enchantment/AvailableEnchantmentRegistry.php
+++ b/src/item/enchantment/AvailableEnchantmentRegistry.php
@@ -28,6 +28,7 @@ use pocketmine\item\enchantment\ItemEnchantmentTags as Tags;
 use pocketmine\item\enchantment\VanillaEnchantments as Enchantments;
 use pocketmine\item\Item;
 use pocketmine\utils\SingletonTrait;
+use pocketmine\utils\Utils;
 use function array_filter;
 use function array_values;
 use function count;
@@ -129,6 +130,7 @@ final class AvailableEnchantmentRegistry{
 		if(!$this->isRegistered($enchantment)){
 			throw new \LogicException("Cannot set primary item tags for non-registered enchantment");
 		}
+		Utils::validateArrayValueType($tags, fn(string $v) => 1);
 		$this->primaryItemTags[spl_object_id($enchantment)] = array_values($tags);
 	}
 
@@ -152,6 +154,7 @@ final class AvailableEnchantmentRegistry{
 		if(!$this->isRegistered($enchantment)){
 			throw new \LogicException("Cannot set secondary item tags for non-registered enchantment");
 		}
+		Utils::validateArrayValueType($tags, fn(string $v) => 1);
 		$this->secondaryItemTags[spl_object_id($enchantment)] = array_values($tags);
 	}
 
diff --git a/src/utils/Utils.php b/src/utils/Utils.php
index 046296cf4..800bd0183 100644
--- a/src/utils/Utils.php
+++ b/src/utils/Utils.php
@@ -584,7 +584,7 @@ final class Utils{
 	/**
 	 * @phpstan-template TMemberType
 	 * @phpstan-param array<mixed, TMemberType> $array
-	 * @phpstan-param \Closure(TMemberType) : void $validator
+	 * @phpstan-param \Closure(TMemberType) : mixed $validator
 	 */
 	public static function validateArrayValueType(array $array, \Closure $validator) : void{
 		foreach(Utils::promoteKeys($array) as $k => $v){